[FLOW3-general] Flow3 authentication

[indira]

Hi Robert,

that error disappeared now. However, when trying to implement a ManytoMany 
relation as two OnetoMay relations I get an error that says: 

No class schema found for "Doctrine\Common\Collections\Collection". The
  class should probably marked as entity or value object! This happened
  while examining "STW\FITNESSONE\Domain\Model\Exercise"

The three models involved are: exercise, program and exercise_program, 
please see the files attached. 
Thanks in advance. 
Regards,
Indira.   

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