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Hello,

when i try to reset an entity with the method "Cancel" then i always get the error message EAssertionFailed - 'Key is not primary (D:\ProjectsClone3\Delphi\EntityDac\Source\EntityDAC.Cache.pas, line 2237)'.

A reload throws the same error.

But the entity has a PrimaryKey. Editing the entity and saving with "Save" works fine.

Thanks for your help.

Greetings
Stefan

Thank you for the information, however, it's not enough to reproduce the issue. Please compose and send us a simplest sample, execution of which causes the issue. In addition, we will need the model (*.enml) For your convenience, please use the e-support form https://www.devart.com/company/contactform.html