System resource exceeded sounds like your system ran out of disk space or ram memory. There could also be an issue if you have more than 255 columns. Regardless, it's not Qlik Sense causing the error. The ODBC driver generated the message. Try searching the internet for more information about possible causes and solutions.
I had this same error for the first time this morning. I googled the error on the forums and found a few topics
These explained our situation. Due to some network issues at the time the store was taking longer than expected so it created issues when it came to drop table.