Fail to minimize back to original window/pane

[floyddcn]

My customization of .tmux: I adjust the prefix + to prefix -z
Actions: I maximize one pane to a new window by prefix -z
Expectation: In the new window,i press down 'prefix -z' but some error occurred,and nothing happend (i expect the window to be minimized to the pane of original window).
What can i do to recover the window to pane???

Following is the error screenshot:

[gpakosz]

Hello @floyddcn and sorry for the late answer

My customization of .tmux: I adjust the prefix + to prefix -z

If by this you mean editing your .local customization file to add

bind + resize-pane -Z

Then try with

bind + resize-pane -Z #!important