Once I went to recredit my public transportation badge in a shop mandated by the city to do the transaction and they mistakenly charged me something like 15€ in

Once I went to recredit my public transportation badge in a shop mandated by the city to do the transaction and they mistakenly charged me something like 15€ instead of 150€ (I don't remember the exact figure but it was a 0 missing). Two days later I got my badge blacklisted (and earned myself a loud and obnoxious buzz from the badging machine in the bus). I had to make a call and go to the transportation office to settle the matter. They told me the shop was likely to suffer repercussions after the incident.