Errors when using Load Existing ERPset(s) from the ERPLAB manual

[wmzheng18]

Description

When loading ERPset by using Load Existing ERPset(s) from the ERPLAB manual, the ERPset will be loaded in the MATLAB Workspace, but won't be loaded into the ERPsets list with the following error messages:

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Error using uimenu
Value must be a handle.
Error in updatemenuerp (line 95)
ERPSETMENU(indexerp) = uimenu( erpmenu, 'tag', 'linerp');
Error in pop_loaderp (line 282)
updatemenuerp(ALLERP); % add a new erpset to the erpset menu
Error in pop_loaderp (line 108)
[ERP, ALLERP, erpcom] = pop_loaderp('filename', filename, 'filepath', filepath, 'Warning', 'on', 'UpdateMainGui', 'on', 'multiload', 'off',...
Error while evaluating Menu Callback.

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Note: pop_loaderp works when set 'UpdateMainGui' == 'off'.

#### Versions 9.0

OS version	[Windows 11 pro]
Matlab version	R2022a]
EEGLAB version	[v2022.1]
ERPLAB version	[9.02]