Delete Order fails

Hi,

When I try to delete a order I get a message: No Match for Name or/and Password

When I open a Order from Dashboart, then klick change and then next I got followin message:
SyntaxError: Unexpexted end of input
OK

Can someone help me please

Thanks

I have the same issue..

https://github.com/opencart/opencart/issues/2775