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Question

Question

Illegal character error on mobile form in offline mode. Hard to reproduce

Forms Mobile Version 11 Self-Hosted
Updated June 29, 2023
asked on June 22, 2023

Hello all, 

I'm getting reports of my users getting this error when submitting a form after filling it out in offline mode. 

These users in no way typed in the illegal character combination. How can I troubleshoot this since they are also telling me that when they try to reopen the form in the outbox, it's blank?

Thank you 

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Replies

replied on June 29, 2023

Hi Lucas,

The error usually indicates that the form data submitted contains some illegal characters such as the xml strings "<a></a>". If user directly input them in the form, then a UI error will show and blocks the submission:

 

Currently there is no good way to troubleshoot this kind of error without knowing exactly what the submitted data is. 

 

If you are using self-hosted Forms, the coming July release will add a new feature to log the user submitted data which can be possibly useful for troubleshooting such issue.

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replied on June 29, 2023

Hello @████████. I understand what causes the error in a normal situation. The issue I'm having is that I'm getting these errors on a form that doesn't have many input fields. My users are selecting data from lookups mostly. There is very little typing done. My theory is that when the data is stored on the offline tables, something is happening. I have a decent amount of hidden fields that help prompt the users through the selection they need to make. Since they are hidden, I can't see if that is where the bad data comes from. I have already seen integers get changed to decimals when stored in the offline table. 

I look forward to this new feature you discussed and I'll keep troubleshooting myself. Thanks. 

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