Debug \plugins\album_share_codes\codebase.php
Warning line 29: mysqli_fetch_assoc() expects parameter 1 to be mysqli_result, object given
Notice line 39: Undefined variable: content1
Notice line 41: Undefined variable: content2
I aasumed mysqli_fetch_assoc should be cpg_db_fetch_assoc and solve the first error.
\plugins\album_share_codes\configuration.php
Notice line 23: Undefined variable: lang_plugin_custom_thumb
There is no lang folder or file so
.$lang_plugin_custom_thumb['announcement_thread']
shoul be just text
Announcement Thread after .' and before </a> on line 23 - configuration.php
\plugins\album_share_codes\codebase.php
Notice line 32: Undefined variable: content1
Notice line 33: Undefined variable: content2