I believe this issue coincides with the June update. 2 days ago PBI Desktop stopped allowing me to refresh data and produced the following error: JSON integer 4294967295 is too large or small for an ...
Hi,
NOTE: I tried the Detect Data Types that dgw_REA mentioned, but unfortunately it did not work for me.
This is likely related to issue that many others have raised.
https://community.powerbi.com/t5/Issues/Int32-Error-when-Refreshing-Data-Table/idi-p/2584073
Jason