Hi @prajakta ubare ,
The reasons for this error are complicated, may I know if you are using InfoPath 2010 or InfoPath 2013? Did you use templates? What is the form you submitted? At present, according to official recommendations, it is more recommended that you use Microsoft Power Apps.
If you have any questions during use, you can ask Microsoft Power Apps for professional help.
Thanks,
Yanli Jiang
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