1. Fix by editing the file :
Goto wp-content/themes/wplms/create_content.php file.Jump to line number 464
Add the given line of code after line 464 after line “if(is_numeric($kid)){” :
Fix form wp-admin :
a. Goto wp-admin -> Appearance -> Editor
b. Select Wplms theme to edit.
c. Find “create_content.php” file and click on it to edit.
d. Now find “if(is_numeric($kid))” using browser search :
e. Now add the given code after ” if(is_numeric($kid)){ ”