ISPConfig is a problem with FastCGI. What can be wrong?

Question

PHP

Below is the Apache log in debug mode. Increasing memory for PHP didn't help. Plugging with ISPConfig when accessing it. What could be the snag? Thanks in advance.
[Tue Sep 20 12:10:11.827404 2016] [ssl:info] [pid 4116] AH01887: Init: Initializing (virtual) servers for SSL
[Tue Sep 20 12:10:11.827831 2016] [ssl:info] [pid 4116 ] AH01914: Configuring server host1453039.local:8080 for SSL protocol
[Tue Sep 20 12:10:11.827895 2016] [ssl:debug] [pid 4116] ssl_engine_init.c(406): AH01893: Configuring TLS extension handling
[Tue Sep 20 12:10:11.827907 2016] [ssl:debug] [pid 4116] ssl_engine_init.c(917): AH02232: Configuring RSA server certificate
[Tue Sep 20 12:10:11.827963 2016] [ssl:warn] [pid 4116] AH01906: RSA server certificate is a CA certificate (BasicConstraints: CA == TRUE !?)
[Tue Sep 20 12:10:11.827994 2016] [ssl:debug] [pid 4116] ssl_util_ssl.c(489): AH02412: [host1453039.local:8080] Cert does not match for name 'host1453039.local' [subject: CN=isp,OU=it,O=www ,L=Moscow,ST=RU,C=RU / issuer: CN=isp,OU=it,O=www,L=Moscow,ST=RU,C=RU / serial: E26E4A19D8ADF7CC / notbefore: Jul 13 14:47 :05 2016 GMT / notafter: Jul 11 ​​14:47:05 2026 GMT]
[Tue Sep 20 12:10:11.828001 2016] [ssl:warn] [pid 4116] AH01909: RSA certificate configured for host1453039.local:8080 does NOT include an ID which matches the server name
[Tue Sep 20 12:10:11.828007 2016] [ssl:debug] [pid 4116] ssl_engine_init.c(972): AH02236: Configuring RSA server private key
[Tue Sep 20 12:10:11.828372 2016] [ssl:debug] [pid 4116] ssl_engine_init.c(1482): Init: SSL server IP/port overlap: host1453039.local:443 (/etc/httpd/conf.d /ssl.conf:56) rehabrus.ru:443 (/etc/httpd/conf/sites-enabled/100-rehabrus.ru.vhost:96)
[Tue Sep 20 12:10:11.828381 2016] [ssl:warn] [pid 4116] AH02292: Init : Name-based SSL virtual hosts only work for clients with TLS server name indication support (RFC 4366)
[Tue Sep 20 12:10:11.828388 2016] [ssl:info] [pid 4116] AH01876: mod_ssl/2.4.6 compiled against Server: Apache/2.4.6, Library: OpenSSL/1.0.1e
[Tue Sep 20 12:10:11.835645 2016] [:notice] [pid 4119] FastCGI: process manager initialized (pid 4119)
[Tue Sep 20 12:10 :11.838019 2016] [fcgid:info] [pid 4120] mod_fcgid: Process manager 4120 started
[Tue Sep 20 12:10:11.939830 2016] [mpm_prefork:notice] [pid 4116] AH00163: Apache/2.4.6 (CentOS) OpenSSL/1.0.1e-fips mod_fastcgi/mod_fastcgi-SNAP-0910052141 mod_fcgid/2.3.9 configured -- resuming normal operations
[Tue Sep 20 12:10:11.939861 2016] [mpm_prefork:info] [pid 4116] AH00164: Server built: May 12 2016 10:27:23
[Tue Sep 20 12:10:11.939878 2016] [ core:notice] [pid 4116] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
[Tue Sep 20 12:10:11.939895 2016] [mpm_prefork:debug] [pid 4116] prefork.c(1005) : AH00165: Accept mutex: sysvsem (default: sysvsem)
[Tue Sep 20 12:10:11.940584 2016] [proxy:debug] [pid 4121] proxy_util.c(1843): AH00925: initializing worker proxy:reverse shared
[Tue Sep 20 12:10:11.940612 2016] [proxy:debug] [pid 4121] proxy_util.c(1885): AH00927: initializing worker proxy:reverse local
[Tue Sep 20 12:10:11.940647 2016] [proxy:debug ] [pid 4121] proxy_util.c(1936): AH00931: initialized single connection worker in child 4121 for (*)
[Tue Sep 20 12:10:15.575393 2016] [ssl:info] [pid 4121] [client xxx.xxx .xxx.xxx:46962] AH01964: Connection to child 0 established (server host1453039.local:8080)
[Tue Sep 20 12:10:15.714011 2016] [ssl:debug] [pid 4121] ssl_engine_kernel.c(1812): [ client xxx.xxx.xxx.xxx:46962] AH02041: Protocol: TLSv1.2, Cipher: ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)
[Tue Sep 20 12:10:15.824057 2016] [ssl: info] [pid 4121] (70014)End of file found: [client xxx.xxx.xxx.xxx:46962] AH01991: SSL input filter read failed.
[Tue Sep 20 12:10:15.824114 2016] [ssl:debug] [pid 4121] ssl_engine_io.c(992): [client xxx.xxx.xxx.xxx:46962] AH02001: Connection closed to child 0 with standard shutdown ( server host1453039.local:8080)
[Tue Sep 20 12:10:15.824210 2016] [ssl:info] [pid 4121] [client xxx.xxx.xxx.xxx:46963] AH01964: Connection to child 0 established (server host1453039. local:8080)
[Tue Sep 20 12:10:15.950445 2016] [proxy:debug] [pid 4122] proxy_util.c(1843): AH00925: initializing worker proxy:reverse shared
[Tue Sep 20 12:10:15.950523 2016] [proxy:debug] [pid 4122] proxy_util.c(1885): AH00927: initializing worker proxy:reverse local
[Tue Sep 20 12:10:15.950565 2016] [proxy:debug] [pid 4122] proxy_util.c(1936) : AH00931: initialized single connection worker in child 4122 for (*)
[Tue Sep 20 12:10:15.963613 2016] [ssl:debug] [pid 4121] ssl_engine_kernel.c(1812): [client xxx.xxx.xxx.xxx:46963] AH02041: Protocol: TLSv1.2, Cipher: ECDHE -RSA-AES128-GCM-SHA256 (128/128 bits)
[Tue Sep 20 12:10:16.077474 2016] [ssl:info] [pid 4121] (70014)End of file found: [client xxx.xxx.xxx. xxx:46963] AH01991: SSL input filter read failed.
[Tue Sep 20 12:10:16.077538 2016] [ssl:debug] [pid 4121] ssl_engine_io.c(992): [client xxx.xxx.xxx.xxx:46963] AH02001: Connection closed to child 0 with standard shutdown ( server host1453039.local:8080)
[Tue Sep 20 12:10:16.211389 2016] [ssl:info] [pid 4122] [client xxx.xxx.xxx.xxx:46964] AH01964: Connection to child 1 established (server host1453039. local:8080)
[Tue Sep 20 12:10:16.346607 2016] [ssl:debug] [pid 4122] ssl_engine_kernel.c(1812): [client xxx.xxx.xxx.xxx:46964] AH02041: Protocol: TLSv1.2, Cipher: ECDHE -RSA-AES128-GCM-SHA256 (128/128 bits)
[Tue Sep 20 12:10:16.453697 2016] [ssl:debug] [pid 4122] ssl_engine_kernel.c(224): [client xxx.xxx.xxx.xxx :46964] AH02034: Initial (No.1) HTTPS request received for child 1 (server host1453039.local:8080)
[Tue Sep 20 12:10:16.453930 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809 ): [client xxx.xxx.xxx.xxx:46964] AH01626: authorization result of Require all granted: granted
[Tue Sep 20 12:10:16.453940 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809) : [client xxx.xxx.xxx.xxx:46964] AH01626: authorization result of : granted
[Tue Sep 20 12:10:16.454044 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809): [client xxx.xxx.xxx.xxx:46964] AH01626: authorization result of Require all granted: granted
[ Tue Sep 20 12:10:16.454053 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809): [client xxx.xxx.xxx.xxx:46964] AH01626: authorization result of : granted
[Tue Sep 20 12 :10:16.454157 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809): [client xxx.xxx.xxx.xxx:46964] AH01626: authorization result of Require all granted: granted
[Tue Sep 20 12: 10:16.454166 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809): [client xxx.xxx.xxx.xxx:46964] AH01626: authorization result of : granted
[Tue Sep 20 12:10:16.457695 2016] [fcgid:info] [pid 4120] mod_fcgid: server host1453039.local:/var/www/php-fcgi-scripts/ispconfig/.php-fcgi-starter(4123) started
[Tue Sep 20 12:10:16.461281 2016] [fcgid:warn] [pid 4122] (104)Connection reset by peer: [client xxx.xxx.xxx.xxx:46964] mod_fcgid: error reading data from FastCGI server
[Tue Sep 20 12:10:16.461320 2016] [core:error] [pid 4122] [client xxx.xxx.xxx.xxx:46964] End of script output before headers: index.php
[Tue Sep 20 12:10:16.461511 2016 ] [ssl:debug] [pid 4122] ssl_engine_io.c(992): [client xxx.xxx.xxx.xxx:46964] AH02001: Connection closed to child 1 with standard shutdown (server host1453039.local:8080)
[Tue Sep 20 12:10:17.033749 2016] [ssl:info] [pid 4121] [client xxx.xxx.xxx.xxx:46965] AH01964: Connection to child 0 established (server host1453039.local:8080)
[Tue Sep 20 12:10:17.146123 2016] [ssl:debug] [pid 4121] ssl_engine_kernel.c(1812): [client xxx.xxx.xxx.xxx:46965] AH02041: Protocol: TLSv1.2, Cipher: ECDHE-RSA- AES128-GCM-SHA256 (128/128 bits)
[Tue Sep 20 12:10:17.146665 2016] [ssl:info] [pid 4121] (70014)End of file found: [client xxx.xxx.xxx.xxx:46965 ] AH01991: SSL input filter read failed.
[Tue Sep 20 12:10:17.146695 2016] [ssl:debug] [pid 4121] ssl_engine_io.c(992): [client xxx.xxx.xxx.xxx:46965] AH02001: Connection closed to child 0 with standard shutdown ( server host1453039.local:8080)
[Tue Sep 20 12:10:17.731639 2016] [ssl:info] [pid 4122] [client xxx.xxx.xxx.xxx:46966] AH01964: Connection to child 1 established (server host1453039.local:8080)
[Tue Sep 20 12:10:17.840532 2016] [ssl:debug] [pid 4122] ssl_engine_kernel.c(1812): [client xxx.xxx.xxx.xxx:46966] AH02041: Protocol: TLSv1.2, Cipher: ECDHE-RSA- AES128-GCM-SHA256 (128/128 bits)
[Tue Sep 20 12:10:17.841325 2016] [ssl:debug] [pid 4122] ssl_engine_kernel.c(224): [client xxx.xxx.xxx.xxx:46966] AH02034: Initial (No.1) HTTPS request received for child 1 (server host1453039.local:8080), referer: https://xxx.xxx.xxx.xxx:8080/
[Tue Sep 20 12:10:17.841428 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809): [client xxx.xxx.xxx.xxx:46966] AH01626: authorization result of Require all granted: granted, referer:https://xxx.xxx.xxx.xxx:8080/
[Tue Sep 20 12:10:17.841442 2016] [authz_core:debug] [pid 4122] mod_authz_core.c(809): [client xxx.xxx.xxx.xxx :46966] AH01626: authorization result of : granted, referer: https://xxx.xxx.xxx.xxx:8080/
[Tue Sep 20 12:10:19.461077 2016] [fcgid:info] [pid 4120] mod_fcgid: process /var/www/php-fcgi-scripts/ispconfig/.php-fcgi-starter(4123) exit(communication error), terminated by calling exit(), return code: 109

Answer 1

I decided. If suddenly someone has an identical problem, then ...
The owner of the /usr/local/ispconfig/interface/web directory was ispapps ispapps.
Just changed to ispconfig ispconfig