Update to V5 error

Hi guys,

Got this error when trying to update a v4 instance to v5.

Any ideas?

 Executing frappe.patches.v5_0.convert_to_barracuda_and_utf8mb4 in site1.local (site1.local)
================================================================================
Please add this to MariaDB's my.cnf and restart MariaDB before proceeding

[mysqld]
innodb-file-format=barracuda
innodb-file-per-table=1
innodb-large-prefix=1
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci

[mysql]
default-character-set = utf8mb4

================================================================================
Traceback (most recent call last):
  File "/usr/local/bin/bench", line 9, in <module>
    load_entry_point('bench==0.1', 'console_scripts', 'bench')()
  File "/home/erpnext/bench-repo/bench/cli.py", line 55, in cli
    bench()
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 610, in __call__
    return self.main(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 590, in main
    rv = self.invoke(ctx)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 936, in invoke
    return _process_result(sub_ctx.command.invoke(sub_ctx))
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 782, in invoke
    return ctx.invoke(self.callback, **ctx.params)
  File "/usr/local/lib/python2.7/dist-packages/click/core.py", line 416, in invoke
    return callback(*args, **kwargs)
  File "/home/erpnext/bench-repo/bench/cli.py", line 247, in update
    patch_sites()
  File "/home/erpnext/bench-repo/bench/utils.py", line 118, in patch_sites
    run_frappe_cmd('--site', 'all', 'migrate', bench=bench)
  File "/home/erpnext/bench-repo/bench/utils.py", line 427, in run_frappe_cmd
    subprocess.check_call((f, '-m', 'frappe.utils.bench_helper', 'frappe') + args, cwd=sites_dir)
  File "/usr/lib/python2.7/subprocess.py", line 511, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '('/home/erpnext/frappe-bench/env/bin/python', '-m', 'frappe.utils.bench_helper', 'frappe', '--site', 'all', 'migrate')' returned non-zero exit status 1

Apologies.
Issue resolved.

Custom entry in my.cnf was removed and update was successful.