MYSQL problem after successfully install wampserver 3.1.9 (1 reply)

After successfully installed my wampserver 3.1.9 with SSL certificate and restoration my old database from wampserver 2.2, a lot of MYSQL errors occur.

1. It did not add/append record anymore
2. when I add records error appears (Notice: undefined index)

These errors were not occur on my previous version of wampserver 2.2

Please help me, where is the problem on this.

Thank you so much