Cologne have been fined €60,000 (£53,000) and prohibited from offering ceaselessly tickets in Europe for one match after the group inconvenience in front of their amusement against Arsenal.
The last discipline has been suspended for a two year time span, accepting there are no further occurrences, while the club have additionally been requested to contact the north London side to pay harms.
Gunners confronted a charge of obstructing the stairways in the away supporters division, however the UEFA Control, Ethics and Disciplinary Body (CEDB) ruled against disciplinary procedures.
The Group H tie was deferred by a hour as ticketless Cologne fans hoped to pick up section to the ground.
The German club were issued with 3,000 tickets, however around 20,000 of their fans were accepted to have made the adventure to London.
There was worry among Arsenal supporters after various Cologne fans wound up sitting in the home end of the ground, yet the pre-coordinate strain neglected to bring about any issues inside the stadium.
Gunners went ahead to win the challenge 3-1 after at first falling behind to an objective from the guests.
There were unmistakably a large number of away supporters sitting among Arsenal fans and flares were set off in the stands.
Five captures were made through the span of the night and Arsenal propelled a full audit of the occasions.
Cologne were charged by UEFA over group unsettling influences, setting off firecrackers, tossing articles and demonstrations of harm by the meeting fans.