activeCollab works on MySQL5, but you may experience problems on some rare situations if you have it running in strict SQL mode. It is advised to use a less strict SQL mode (MYSQL40 mode is recommended).

There are two ways to change the value of SQL mode preference:

  1. The first is to execute the following SQL command:
SET @@global.sql_mode='MYSQL40'
  1. The second approach is to open your main MySQL configuration file (usually my.cnf) and change the value of the sql-mode directive:
sql-mode="MYSQL40"

You should then save the my.cnf file and restart the MySQL server.

To verify that the SQL mode has been updated, execute the following command:

SELECT @@global.sql_mode; 

MySQL should then return something like this:

NO_FIELD_OPTIONS,MYSQL40,HIGH_NOT_PRECEDENCE