Customize Error/Success Messages in Drupal 7
95202
How to modify user messages without hacking core user module?
42989
Enlarge error bars in Pgfplots
72435
User-defined usage message template; removing repeated text
157689
Edit account creation message
115144
Customize Apex Exception Messages from Javascript Buttons
89670
Suppress Chrome 'Failed to load resource' messages in console
81139
Change the default message "Validation Error: Value is required" to just "Value is required"
124711
Form validation - When should error messages be triggered?
23407
How to catch complete error message information, including the message text as it would be printed?
92584
drupal_get_messages always blank
46277
Pretty formattings for warning and info blocks
6094
What is best practice for designing form error messages?
128564
How do I suppress error messages from cp?
116877
How do I create a Twig override for server 500 error?
35639
Change Eclipse settings to ignore errors on a specific file
153208
Edit Mail rules manually
74298
How to customize the_archive_title()?