Issue with role assign

[Wasiu_Arubiewe]

Describe the issue or problem
I am having problem with Role assigning to user

If i assign the role and it get to the Invite with mail tis is the error i get below

[asmecher]

Hi @Wasiu_Arubiewe,

What version of OJS are you using? (Please include this in your posts.)

Thanks,
Alec Smecher
Public Knowledge Project Team