This class is not key value coding-compliant for the key XXX error Resolution

Source: Internet
Author: User

In general, this problem is caused by the connection of the interface build to the Iboutlet in the code.

It is possible that the name of the Iboutlet has been modified in the code, resulting in a connection effect in the interface build.

If no errors are found in the Xib file of the Viewcontroller connection,

It is likely that there is a problem in the Mainwindow.xib file.

After a search and troubleshooting found that you have an extra connection when setting up Ibaction and Iboutlet, hold down the CTRL key to check that the control's connection will continue to function properly after the extra continuous deletion .

This class is not key value coding-compliant for the key XXX error Resolution

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