Explain the function of static keyword and final keyword in Java in detail>>>

Created by Jerry Wang on Apr 28, 2015

The following error was encountered while saving an order:

Debug finds that the error message is thrown in the following code:

Check the service product and find that it does not maintain the corresponding sales org and distribution channel ID:

After maintaining the missing information:

Re maintain the service product, and the error disappears

This article is shared in the blog “Wang Zixi” (CSDN).