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Question

Fanout Problem 2025

  • March 9, 2026
  • 2 replies
  • 57 views
legsforwalking
Participant
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Hi FME community,

I am trying to fanout to a GDB using FME 2025.1.2 in windows.   I keep getting this error :


Esri Geodatabase Writer: Feature Type Definition 'd_y_n' was requested, but not defined. Please visit https://www.safe.com/support
GEODATABASE_FILE writer: An error has occurred. Check the logfile above for details

 

When i just simply export without fanout it works fine. I have tried removing fme_template_feature_type using attributemanager (even though it is not an attribute in my database) also tried AttributeKeeper.  Nothing seems to work. 

Thank you

 

 


 

    2 replies

    nielsgerrits
    VIP
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    Did you use a classic writer or a featurewriter? In the earlier versions of 2025 there was an issue with dynamic writing. This was first solved in featurewriters, later on classic writers as well. Not sure which versions exactly. I would try a featurewriter and if that does not work install a newer version.

    Buckle your seatbelt Dorothy, cause Kansas is going bye-bye...
    legsforwalking
    Participant
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    • legsforwalkingParticipant
    • Author
    • Participant
    • March 11, 2026

    To follow up on this, the solution is when the Esri Geodatabase Writer is added the Feature Type Definition has to be set to Copy from Reader.

     

     

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