Title: DB Errors on Activation
Last modified: November 6, 2017

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# DB Errors on Activation

 *  Resolved [cnasal](https://wordpress.org/support/users/cnasal/)
 * (@cnasal)
 * [8 years, 7 months ago](https://wordpress.org/support/topic/db-errors-on-activation/)
 * I just installed this plugin and when I activated it I received these errors (
   I replaced the DB name with DB and the username with USER):
 *     ```
       Plugin could not be activated because it triggered a fatal error.
   
       WordPress database error: [Table 'DB.wp_mailster_users' doesn't exist]
       SHOW FULL COLUMNS FROM wp_mailster_users WHERE 1=1
   
       WordPress database error: [Table 'DB.wp_mailster_users' doesn't exist]
       SHOW FULL COLUMNS FROM wp_mailster_users WHERE 1=1
   
       WordPress database error: [Table 'DB.wp_mailster_users' doesn't exist]
       SHOW FULL COLUMNS FROM wp_mailster_users WHERE 1=1
   
       Warning: fopen(/home/USER/public_html/blog/wp-content/plugins/wp-mailster/log/mailster.log.php): failed to open stream: Permission denied in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php on line 296 Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php on line 297 Fatal error: Uncaught exception 'RuntimeException' with message 'Cannot write to log file /home/USER/public_html/blog/wp-content/plugins/wp-mailster/log/mailster.log.php' in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php:298 Stack trace: #0 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php(38): MstLog::initFile() #1 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php(116): MstLog::log('checkAndFixDBCo...', 'ERRO', 1) #2 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/utils/DBUtils.php(489): MstLog::error('checkAndFixDBCo...', 1) #3 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/admin/mst_config.php(18): MstDBUtils->checkAndFixDBCollations() #4 [internal function]: mailster_install('') #5 /home/USER/public_html/blog/wp-includes/class-wp-hook.php(298): call_user_func_array('mailster_instal...', Array) #6 /home/USER/public_html/blog/wp-includes/class-wp-hook.php(323): WP_Hook->app in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php on line 298 Warning: fopen(/home/USER/public_html/blog/wp-content/plugins/wp-mailster/log/mailster.log.php): failed to open stream: Permission denied in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php on line 296 Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php on line 297 Fatal error: Uncaught exception 'RuntimeException' with message 'Cannot write to log file /home/USER/public_html/blog/wp-content/plugins/wp-mailster/log/mailster.log.php' in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php:298 Stack trace: #0 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php(38): MstLog::initFile() #1 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php(120): MstLog::log('--- --- --- ---...', 'DEBU', 2) #2 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/models/plgSystemMailster.php(63): MstLog::debug('--- --- --- ---...', 2) #3 /home/USER/public_html/blog/wp-content/plugins/wp-mailster/wp-mailster.php(1542): plgSystemMailster->onAfterInitialise() #4 [internal function]: mst_execute_procedures('') #5 /home/USER/public_html/blog/wp-includes/class-wp-hook.php(298): call_user_func_array('mst_execute_pro...', Array) #6 /home/USER/public_html/blog/wp-includes/class-wp-hook.php(323): WP_Hook in /home/USER/public_html/blog/wp-content/plugins/wp-mailster/mailster/app/Log.php on line 298
       ```
   

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Plugin Author [brandtoss](https://wordpress.org/support/users/brandtoss/)
 * (@brandtoss)
 * [8 years, 7 months ago](https://wordpress.org/support/topic/db-errors-on-activation/#post-9656660)
 * Hi cnasal,
    thanks for trying out WP Mailster. Sorry to hear that you had an 
   error activating the plugin.
 * Please reach out to me via email (info@wpmailster.com) so we can go into detail
   about your installation so that we can get this resolved.
    Thanks.
 * Regards,
    Holger
    -  This reply was modified 8 years, 7 months ago by [brandtoss](https://wordpress.org/support/users/brandtoss/).
 *  Thread Starter [cnasal](https://wordpress.org/support/users/cnasal/)
 * (@cnasal)
 * [8 years, 7 months ago](https://wordpress.org/support/topic/db-errors-on-activation/#post-9658584)
 * Thanks for the quick reply. I sent you a message through the contact form on 
   your website.

Viewing 2 replies - 1 through 2 (of 2 total)

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 * 2 replies
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 * Last reply from: [cnasal](https://wordpress.org/support/users/cnasal/)
 * Last activity: [8 years, 7 months ago](https://wordpress.org/support/topic/db-errors-on-activation/#post-9658584)
 * Status: resolved