INTERNAL DATA STRUCTURE ERROR

Hi all,

              i have S7-400 PLC with CPU416-2DP. when i open my project it shows Internal data structure error alarm pop uped,click ok then open my project all function working properly and also no issue.

i dont know why that alarm popup.pls reply anyone what to be checked my project and how to correct the alarm.

             here i attached my issue pls go through it,and reply me.

Advance Thanks&Regards,

Suryamuni.

Hello,

I would try to make a copy of the project, using  "save as"  with the checkbox " with reorganisation (slow)".
Hope that Step7 will be able to correct the project structure.