can't import .tmx file into databased translation memory

Question

hallo everybody 
 
 since 2 weeks i have several problems with my trados studio 2017. first i have to reactivate my licence key as it was impossible to translate one document, problem solved. then i wonted to add some new database units into my existent data based translation memory and it does not function. i receive following error notification: 
 can someone help me? thanks for your help in advance. I use german surface, so the error message on the printscreen appears in german.

Almudena Ballester · Answer

Hi Stefan Panacek 
 It seems that your tmx is not-valid for some reason. Maybe an non-coded entity os some strange character... I recommend you to test and validate the tmx to be imported with a XML editor. XML Copy Editor would do. You can check well-formedness and discover what is preventing from importing into translation memory. Hope it helps, Almudena

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can't import .tmx file into databased translation memory