Unable to install themes or plugins from wordpress.org


I am unable to install any themes or plugins from wordpress.org. I get “Error while installing” message. Please refer to the screenshots.

### Server Info                    Required                                               Detected                                     Status   ###

MainWP Dashboard                   
MainWP Dashboard Version           4.1.9                                                  4.1.9                                        Pass        
MainWP Upload Directory            Writable                                               Writable                                     Pass        
MainWP Extensions                  
No installed extensions            
WordPress Version                  >=3.6                                                  5.8.1                                        Pass        
WordPress Memory Limit             >=64M                                                  40M                                          Warning     
MultiSite Disabled                 =true                                                  true                                         Pass        
FileSystem Method                  = direct                                               direct                                       Pass        
PHP Version                        >=7.0                                                  8.0.10                                       Pass        
PHP Safe Mode Disabled             =true                                                  true                                         Pass        
PHP Max Execution Time             >=30 seconds                                           30                                           Pass        
PHP Max Input Time                 >=30 seconds                                           60                                           Pass        
PHP Memory Limit                   >=128M                                                 256M                                         Pass        
PCRE Backtracking Limit            >=10000                                                1000000                                      Pass        
PHP Upload Max Filesize            >=2M                                                   64M                                          Pass        
PHP Post Max Size                  >=2M                                                   64M                                          Pass        
SSL Extension Enabled              =true                                                  true                                         Pass        
SSL Warnings                       = empty                                                                                             Pass        
cURL Extension Enabled             =true                                                  true                                         Pass        
cURL Timeout                       >=300 seconds                                          60                                           Warning     
cURL Version                       >=7.18.1                                               7.68.0                                       Pass        
cURL SSL Version                   >=OpenSSL/0.9.8l                                       OpenSSL/1.1.1f                               Pass        
PHP Allow URL fopen                YES                                                    
PHP Exif Support                   YES ( V8.0.)                                           
PHP IPTC Support                   YES                                                    
PHP XML Support                    YES                                                    
PHP Disabled Functions             disk_free_space, disk_total_space, diskfreespace, dl, exec, opcache_get_configuration, opcache_get_status, passthru, pclose, pcntl_alarm, pcntl_exec, pcntl_fork, pcntl_get_last_error, pcntl_getpriority, pcntl_setpriority, pcntl_signal, pcntl_signal_dispatch, pcntl_sigprocmask, pcntl_sigtimedwait, pcntl_sigwaitinfo, pcntl_strerror, pcntl_wait, pcntl_waitpid, pcntl_wexitstatus, pcntl_wifcontinued, pcntl_wifexited, pcntl_wifsignaled, pcntl_wifstopped, pcntl_wstopsig, pcntl_wtermsig, popen, posix_getpwuid, posix_kill, posix_mkfifo, posix_setpgid, posix_setsid, posix_setuid, posix_uname, proc_close, proc_get_status, proc_nice, proc_open, proc_terminate, shell_exec, show_source, system,
PHP Loaded Extensions              Core, FFI, PDO, Phar, Reflection, SPL, SimpleXML, Zend OPcache, bcmath, calendar, cgi-fcgi, ctype, curl, date, dom, exif, fileinfo, filter, ftp, gd, gettext, hash, iconv, igbinary, imagick, json, libxml, mbstring, mysqli, mysqlnd, openssl, pcre, pdo_mysql, posix, readline, redis, session, shmop, soap, sockets, sodium, standard, sysvmsg, sysvsem, sysvshm, tokenizer, xml, xmlreader, xmlwriter, xsl, zip, zlib
MySQL Version                      >=5.0                                                  8.0.26                                       Pass        
MySQL Client Encoding              utf8mb4                                                
Server Info                        
Server Software                    nginx/1.20.1                                           
Operating System                   Linux                                                  
Architecture                       64		 bit                                               
Server Protocol                    HTTP/2.0                                               
HTTPS                              ON                                                     
Server self connect                Not expected HTTP response body:                       
User Agent                         Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:92.0) Gecko/20100101 Firefox/92.0
Gateway Interface                  CGI/1.1                                                
Memory Usage                       36.56 MB                                               
Request Time                       1632923953                                             
Accept Content                     text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8
Accept-Charset Content             N/A                                                    
MainWP Settings                    
Number Of Child Sites              7                                                      
Use WP-Cron                        Yes                                                    
Optimize for Shared Hosting or Big NetworksNo                                                     
Automatic Daily Update             Install trusted updates                                
Abandoned Plugins/Themes Tolerance 365                                                    
Maximum number of posts to return                                                         
Maximum number of pages to return                                                         
Primary Backup System              Default MainWP Backups                                 
Maximum simultaneous requests      4                                                      
Minimum delay between requests     200                                                    
Maximum simultaneous requests per ip1                                                      
Minimum delay between requests to the same ip1000                                                   
Maximum simultaneous sync requests                                                        
Minimum simultaneous install/update requests                                                       
Active Plugins                     
FluentSMTP                         2.0.2                                                  Active                                       
Limit Login Attempts Reloaded      2.23.1                                                 Active                                       
MainWP Child                       4.1.7                                                  Active                                       
MainWP Dashboard                   4.1.9                                                  Active                                       
SpinupWP                           1.3                                                    Active                                       
wp_head() cleaner                  1.6.2                                                  Active                                       

Hi Alok,

Can you try to roll back PHP version to 7.4 and see how it goes?

1 Like

Hi @bogdan,

I changed PHP to 7.4, and it worked like a charm.

Thank you so much :slight_smile:

1 Like

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