CodePudding user response:
According to the error, (can be found through the debug) there is a problem, according to business process changesCodePudding user response:
Since this is a bug, it must be linked with object, there is a problem you will find under the corresponding object with respect to OKCodePudding user response:
Be familiar with the process of the program first, then the debug debugging, and then in the wrong place to modify everywhere,