Fixing the edge case where a M2M relationship points itself and a class contribution is not possible due to a lacking accessor_name
Fixing the edge case where a M2M relationship points itself and a class contribution is not possible due to a lacking accessor_name

swisscom/cleanerversion,anfema/cleanerversion,pretix/cleanerversion,pretix/cleanerversion,swisscom/cleanerversion,pretix/cleanerversion,swisscom/cleanerversion,anfema/cleanerversion,anfema/cleanerversion