Which version or fork of Mayan are you using? This error is typical of 
MySQL when indexing text fields. Mayan doesn't index text fields. All 
indexed fields are of CHAR 255 type.

On Tuesday, July 17, 2018 at 8:40:05 AM UTC-4, vsolvs...@gmail.com wrote:
>
> I configured project using Django server. I had added the required 
> libraries based on requirement. when I tried to migrate Django using Mysql 
> server, I get error: 
>
> "django.db.utils.OperationalError: (1170, "BLOB/TEXT column 'value' used in 
> key specification without a key length")"
>
> When I searched this error, I found  -->MySQL error: key specification 
> without a key length 
> <https://stackoverflow.com/questions/1827063/mysql-error-key-specification-without-a-key-length>.
>  but I occur error while migration. 
>
> mysql version - 5.7.20
>
> please help me to find the problem. thanks in advance
>
>
>

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