Invalid interior expressions error

Any one know what happen with this error : "Error: Invalid interior expressions, a data tab with interior expressions had its type changed, but was not cleared first: Process Model is not valid. Could not create interior indices, different lengths" ? Its show up when I save my process modeling. I've checked many times, but still dont know what is the problem. Thanks before....

OriginalPostID-92624

OriginalPostID-92624

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