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Bench update error: Translatable cannot be "null"

update_problem
erpnext

#1

Hello everyone.
I’m using ERPNext Developer Bench version 10.x

When I want to update my Bench, I get the following error:

Traceback (most recent call last):
  File "/usr/lib/python2.7/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/usr/lib/python2.7/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 94, in <module>
    main()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/utils/bench_helper.py", line 18, in main
    click.Group(commands=commands)(prog_name='bench')
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/click/core.py", line 764, in __call__
    return self.main(*args, **kwargs)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/click/core.py", line 717, in main
    rv = self.invoke(ctx)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/click/core.py", line 1137, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/click/core.py", line 956, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/click/core.py", line 555, in invoke
    return callback(*args, **kwargs)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/click/decorators.py", line 17, in new_func
    return f(get_current_context(), *args, **kwargs)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/commands/__init__.py", line 24, in _func
    ret = f(frappe._dict(ctx.obj), *args, **kwargs)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/commands/site.py", line 222, in migrate
    migrate(context.verbose, rebuild_website=rebuild_website)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/migrate.py", line 30, in migrate
    frappe.modules.patch_handler.run_all()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/patch_handler.py", line 29, in run_all
    if not run_single(patchmodule = patch):
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/patch_handler.py", line 63, in run_single
    return execute_patch(patchmodule, method, methodargs)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/patch_handler.py", line 81, in execute_patch
    exec(patchmodule.split("execute:")[1],globals())
  File "<string>", line 1, in <module>
  File "/home/frappe/frappe-bench/apps/frappe/frappe/__init__.py", line 695, in reload_doc
    return frappe.modules.reload_doc(module, dt, dn, force=force, reset_permissions=reset_permissions)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/utils.py", line 155, in reload_doc
    return import_files(module, dt, dn, force=force, reset_permissions=reset_permissions)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py", line 19, in import_files
    reset_permissions=reset_permissions)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py", line 24, in import_file
    ret = import_file_by_path(path, force, pre_process=pre_process, reset_permissions=reset_permissions)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py", line 58, in import_file_by_path
    ignore_version=ignore_version, reset_permissions=reset_permissions)
  File "/home/frappe/frappe-bench/apps/frappe/frappe/modules/import_file.py", line 132, in import_doc
    doc.insert()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py", line 240, in insert
    d.db_insert()
  File "/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py", line 303, in db_insert
    ), list(d.values()))
  File "/home/frappe/frappe-bench/apps/frappe/frappe/database.py", line 166, in sql
    self._cursor.execute(query, values)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/cursors.py", line 170, in execute
    result = self._query(query)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/cursors.py", line 328, in _query
    conn.query(q)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/connections.py", line 516, in query
    self._affected_rows = self._read_query_result(unbuffered=unbuffered)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/connections.py", line 727, in _read_query_result
    result.read()
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/connections.py", line 1066, in read
    first_packet = self.connection._read_packet()
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/connections.py", line 683, in _read_packet
    packet.check_error()
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/protocol.py", line 220, in check_error
    err.raise_mysql_exception(self._data)
  File "/home/frappe/frappe-bench/env/lib/python2.7/site-packages/pymysql/err.py", line 109, in raise_mysql_exception
    raise errorclass(errno, errval)
pymysql.err.IntegrityError: (**1048, u"Column 'translatable' cannot be null"**)

however, when looking at the database, I didn’t have a ‘translatable’ column in the table “tabDocField”. I quickly added this column as part of the table with the properties int(1) not null, default value 0 and still get this error on update.


#2

Hi welcome to ERPNext!

Now run ‘bench migrate’ that should fix things - your database and (frappe) app code no longer match, and migrate rebuilds the app code to sync with your database schema change.


#3

I’m afraid that doesn’t solve it - still returns the error mentionend above.
Perhaps the column “translatable” is used in more than one table?


#4

In that case this query suggestion may help Column 'translatable' cannot be null


#5

Alright, so we (me and a colleague of me) nailed down the problem, although the exact issue is unknown.

I installed a fresh Ubuntu 16 Server and a fresh erpnext instance. Before even running the bench, we downgraded frappe and erpnext from 11 to 10. When updating, this is the error we encountered.
Then we’ve taken out the requirement “not null” from the column translatable in docTypeField… just to encounter the same error with another column!
Rinse and repeat, the errors won’t stop. We assume this is because the database that is pulled during the v11 installation conflicts with some settings of v10.

Tl;dr: This happens only when downgrading nowadays. If you don’t want to potentially skim through hundreds of columns, a bench --force reinstall should be the solution and it’s currently what we are attempting.