Can´t close ticket opened defaull request form

Can´t close ticket opened defaull request form

I´ve created multiple tickets successufly by importing through excel. But when i open the ticket and try to close it, nothing change. even  when i  change the ticket state to solved and press the button to save the change nothig change. the ticket state remain opened.

Could you guys please help me on this issue?

                  New to ADSelfService Plus?