31 not a number

[Anonymous]

Yesturday It work very well, but today I can't submit any form and got this exceptions, I try backup my app to yesturday version but I got the same probleme... anyone can help ?

When I submit I do Value(DataCardValueJours.text) in order to fill an other datacard visble false.

Best Regard,

[Anonymous · Accepted solution]

I have reset my excel data and error doesn't appear anymore. Exception is link to excel but IDK why only start today because I haven't open or modify the excel file.