Not able to create a new field in Customize form

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1

I was trying to create a new field in Customize form. The system was taking 2-5 mins for an update.
Then I went to that respective doctype and I’m trying to save the record on that time facing an error as
“pymysql.err.InternalError: (1054, “Unknown column ‘auto_repeat’ in ‘field list’”)”

Kindly help me to sort it out.

Thanks.

2

Doctype Field Limit reached,Doctype Have too much field that why error occures

3

No, It has only 13 fields.