Error in SHW simulation

I'm attempting to run a simulation for a flat-plate solar thermal collector system.

- I'm new to SAM, though I have lots of experience in solar design and modelling
- I'm using a user-input module
- I'm only interested in technical outputs

Attempting to run the simulation, I get the following error message:

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SAMSIM MESSAGES

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MSG[0]: SVAL LOOKUP ERROR trnsys.user_trdsrc
MSG[1]: SVAL LOOKUP ERROR trnsys.user_exe
MSG[2]: SVAL LOOKUP ERROR trnsys.user_args

...

*** An error has forced TRNSYS to abort

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Can anyone tell me, based on this error, what I'm missing/doing wrong?

Thank you all!

Hello,

Would you mind replying with a copy of your .zsam file as an attachment, or emailing it via the Contact form .

What weather file did you use for the simulation? A problem with the data in the weather file can cause this kind of error.

Best regards,
Paul.