An error occured with the SQL server:
mySQL query error: INSERT INTO x_utf_invision_ccs_template_cache (`cache_type`,`cache_type_id`,`cache_content`) VALUES('block',54,'/* -- block__custom_45 --*/\nfunction block__custom_45($title=\"\",$content=\"\") {\n$IPBHTML = \"\";\n$IPBHTML .= \"\r\n\r\n\r\n\";\nreturn $IPBHTML;\n}\n') ON DUPLICATE KEY UPDATE cache_type=VALUES(cache_type),cache_type_id=VALUES(cache_type_id),cache_content=VALUES(cache_content)
This is not a problem with the IPS Community Suite but rather with your SQL server. Please contact your host and copy the message shown above.