Error updating TM in SmartCat

I tried updating my Smartcat translation memory. My colleague works with Trados and I use Smartcat, so we both need to keep our TMs aligned. However, I’ve noticed that updating translation memories can sometimes be tricky.

When I upload the TMX, SmartCat throws an error and not all translation units get updated. (It's with all languages). It seems to reject empty source segments, which Trados allows but SmartCat doesn’t filter out very well. (Please see the attached error screenshot.)

Has anyone found a reliable way to upload translation memories into SmartCat without running into these issues? Any advice would be greatly appreciated.

Error message stating 'An error occurred while importing the file CCL_PTBR TM_22Sep2025.sdltm into the TM CCL TM PTBR. Translation units added: English - Portuguese (Brazil): 2684 of 53349'.

Thanks in advance.



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[edited by: RWS Community AI at 10:58 AM (GMT 1) on 30 Sep 2025]
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    It seems to reject empty source segments, which Trados allows but SmartCat doesn’t filter out very well.

    Considering you're importing a Trados TM I highly doubt you have empty source segments.  I'd be surprised if Trados allowed them either... I would expect it not to error but just report that nothing was imported in those case, similar to what you seem to be experiencing in Smartcat.

    I tried updating SC TM's using TMX file and while it is better, not all TU's gets updated. Would you be able to tell me how to fix this?

    Error message in Trados Studio stating an issue occurred while importing the file 'CCL DE TM_23Sep2025.tmx' into the TM 'CCL TM DE'. Translation units added: English - German (Germany): 67962 of 68186. Options to view 'Error Log' or 'Close' are displayed.

    Thank you so much, again. 

    What does the error log tell you?  Maybe some of them were already in your Smartcat TM so you don't need them?  I don't really see an error here, but something that needs to be explained based on what you already have in Smartcat and what you are trying to import.  You're the only one with all the information to analyse that.

    Paul Filkin | RWS Group

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