The concluded aspect is very concerning, given the fact that she had been to the UK on 3 occasions. Things may get clearer once you have collected the documents from them. Yesterday I made my mind to accept the refusal after reading people comments about concluded message and yes that’s right today...

Hi there, I have applied visit visa of my mother and she already traveled to uk 3 times. Today I made inquiry about the status of the application And I got replied by British embassy Abu Dhabi Dear Customer, Your UK visa application has been concluded. PLEASE DO NOT GO TO THE VISA APPLICATION CENTRE...