V12 Redo log size error related to Auto Repeat

So in my little troubleshooting process I discover that I cannot create Auto Repeat having the error TypeError: can't compare datetime.datetime to unicode

Now, digging more and more I have discovered this error in the erpnext Error Log:

NOTE: I have already increased the innodb_log_file_size to 50M and the error is the same.

{'event': u'daily', 'retry': 0, 'e': InternalError(1118, u'The size of BLOB/TEXT data inserted in one transaction is greater than 10% of redo log size. Increase the redo log size using innodb_log_file_size.'), 'log': <function log at 0x403f9b0>, 'site': u'management.neptunedivingbali.com', 'job_name': u'frappe.email.doctype.auto_email_report.auto_email_report.send_daily', 'method_name': u'frappe.email.doctype.auto_email_report.auto_email_report.send_daily', 'method': <function send_daily at 0x5c17230>, 'user': u'Administrator', 'kwargs': {}, 'is_async': True}

Traceback (most recent call last):
File “/home/frappe/frappe-bench/apps/frappe/frappe/utils/background_jobs.py”, line 99, in execute_job
method(**kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/email/doctype/auto_email_report/auto_email_report.py”, line 217, in send_daily
auto_email_report.send()
File “/home/frappe/frappe-bench/apps/frappe/frappe/email/doctype/auto_email_report/auto_email_report.py”, line 171, in send
reference_name = self.name
File “/home/frappe/frappe-bench/apps/frappe/frappe/init.py”, line 472, in sendmail
inline_images=inline_images, header=header, print_letterhead=print_letterhead)
File “/home/frappe/frappe-bench/apps/frappe/frappe/email/queue.py”, line 156, in send
print_letterhead=print_letterhead)
File “/home/frappe/frappe-bench/apps/frappe/frappe/email/queue.py”, line 177, in add
email_queue = get_email_queue(recipients, sender, subject, **kwargs)
File “/home/frappe/frappe-bench/apps/frappe/frappe/email/queue.py”, line 242, in get_email_queue
e.insert(ignore_permissions=True)
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/document.py”, line 243, in insert
self.db_insert()
File “/home/frappe/frappe-bench/apps/frappe/frappe/model/base_document.py”, line 323, in db_insert
), list(d.values()))
File “/home/frappe/frappe-bench/apps/frappe/frappe/database/database.py”, line 156, in sql
self._cursor.execute(query, values)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/cursors.py”, line 170, in execute
result = self._query(query)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/cursors.py”, line 328, in _query
conn.query(q)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 517, in query
self._affected_rows = self._read_query_result(unbuffered=unbuffered)
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 732, in _read_query_result
result.read()
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 1075, in read
first_packet = self.connection._read_packet()
File “/home/frappe/frappe-bench/env/local/lib/python2.7/site-packages/pymysql/connections.py”, line 684, in _read_packet
packet.check_error()
File “/home/frappe/frappe-bench/env/local/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/local/lib/python2.7/site-packages/pymysql/err.py”, line 109, in raise_mysql_exception
raise errorclass(errno, errval)
InternalError: (1118, u’The size of BLOB/TEXT data inserted in one transaction is greater than 10% of redo log size. Increase the redo log size using innodb_log_file_size.')

Maybe try a mysql table optimise?