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I downloaded and installed ODAC 5.80.37 to pick up a bug fix involving RefreshRecord and CachedUpdates. Unfortunately I am still receiving the error in some cases.

The error I am seeing is "DisposeBuf failed (D:\Projects\Delphi\Dac\Source\MemData.pas, line 6512)".

This error occurs when executing RefreshRecord on a dataset that has CachedUpdates=true and is the master table in a master/detail relationship.

This error does NOT occur when executing RefreshRecord on a dataset that has CachedUpdates=true but the dataset is not in a master/detail relationship.

Using "Refresh" as a workaround :=(

We cannot reproduce the problem. Please send to ODAC support address complete sample that demonstrates the problem and include script to create server objects.