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[Kristina Hoeppner <1955080@xxxxxxxxxxxxxxxxxx>]

*** This bug is a duplicate of bug 1952771 ***
    https://bugs.launchpad.net/bugs/1952771

** This bug has been marked a duplicate of bug 1952771
   PHP warnings on menu->share->submissions and related issues

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https://bugs.launchpad.net/bugs/1955080

Title:
  Deleted collection breaks Submissions within a group table

Status in Mahara:
  New

Bug description:
  Mahara 21.04.2
  MySQL 8.0.27-0

  Pre-requsite
  Submissions module plugin enabled
  Group set up with submissions allowed

  Steps to reproduce
  1) Learner A submits collection to group
  2) Learner B submits collection to group
  3) Learner C submits collection to group
  4) Teacher or admin releases B [optionally A and C also]
  5) Learner B deletes the submitted collection
  6) Teacher or admin visits group submissions page ../module/submissions/index.php?group=1

  Actual
  Javascript alert "DataTables warning: table id=submissions - true"

  Notification
  Collection with id xx not found

  Table only shows submissions before the deleted submission - Learner A

  
  Expected

  Table shows all submissions

  
  Initial investigation
  htdocs/module/submissions/src/Controller.php
  createDataTableRowFromSubmissionAndEvaluationRecord()

  This function which creates the table calls new \Collection (and also other functions which also call new \Collection)
  Collection class (htdocs/lib.collection.php) constructor throws an exception if it can't find the record in the database - throw new CollectionNotFoundException("Collection with id $id not found");

  This exception is what causes the JS alert and the data to not show.

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