fix: not able to save bom

[rohitwaghchaure]

While saving the bom getting below error

Traceback (most recent call last):
  File "/home/frappe/benches/bench-version-13-2020-11-10/apps/frappe/frappe/desk/form/save.py", line 21, in savedocs
    doc.save()
  File "/home/frappe/benches/bench-version-13-2020-11-10/apps/frappe/frappe/model/document.py", line 285, in save
    return self._save(*args, **kwargs)
  File "/home/frappe/benches/bench-version-13-2020-11-10/apps/frappe/frappe/model/document.py", line 307, in _save
    self.insert()
  File "/home/frappe/benches/bench-version-13-2020-11-10/apps/frappe/frappe/model/document.py", line 257, in insert
    d.db_insert()
  File "/home/frappe/benches/bench-version-13-2020-11-10/apps/frappe/frappe/model/base_document.py", line 344, in db_insert
    ), list(d.values()))
  File "/home/frappe/benches/bench-version-13-2020-11-10/apps/frappe/frappe/database/database.py", line 147, in sql
    self._cursor.execute(query, values)
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/cursors.py", line 170, in execute
    result = self._query(query)
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/cursors.py", line 328, in _query
    conn.query(q)
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/connections.py", line 517, in query
    self._affected_rows = self._read_query_result(unbuffered=unbuffered)
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/connections.py", line 732, in _read_query_result
    result.read()
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/connections.py", line 1075, in read
    first_packet = self.connection._read_packet()
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/connections.py", line 684, in _read_packet
    packet.check_error()
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/protocol.py", line 220, in check_error
    err.raise_mysql_exception(self._data)
  File "/home/frappe/benches/bench-version-13-2020-11-10/env/lib/python3.6/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
    raise errorclass(errno, errval)
pymysql.err.IntegrityError: (1062, "Duplicate entry '91559e0b48' for key 'PRIMARY'")

[rohitwaghchaure]

@Mergifyio backport version-13-beta-pre-release

[mergify]

Command backport version-13-beta-pre-release: pending

Waiting for the pull request to get merged

[mergify]

Command backport version-13-beta-pre-release: failure

No backport have been created

• Backport to branch version-13-beta-pre-release failed
  backport fail: repository is too big and no subscription is active