# Error on pt-table-sync **URL:** \ **Category:** Percona Toolkit\ **Created:** [September 5, 2016, 6:04am UTC](https://forums.percona.com/t/error-on-pt-table-sync/5067 "2016-09-05T06:04:04Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Carlo\_Verdecchia](https://avatars.discourse-cdn.com/v4/letter/c/dfb087/32.png) [@Carlo\_Verdecchia](https://forums.percona.com/u/Carlo_Verdecchia)\ **Post date:** [September 5, 2016, 6:04am UTC](https://forums.percona.com/t/error-on-pt-table-sync/5067/1 "2016-09-05T06:04:04Z")
Synchronizing two large table that contains BLOB data I get this error “Use of uninitialized value in string ne at /usr/bin/pt-table-sync line 5153”. It’s a bug? With other table it works fine ---
**Author:** ![jrivera](https://sea1.discourse-cdn.com/flex019/user_avatar/forums.percona.com/jrivera/32/13_2.png) [@jrivera](https://forums.percona.com/u/jrivera)\ **Post date:** [September 5, 2016, 6:18am UTC](https://forums.percona.com/t/error-on-pt-table-sync/5067/2 "2016-09-05T06:18:39Z")
Can you send the full pt-table-checksum and pt-table-sync commands as well as the toolkit version. Thanks! ---
**Author:** ![Carlo\_Verdecchia](https://avatars.discourse-cdn.com/v4/letter/c/dfb087/32.png) [@Carlo\_Verdecchia](https://forums.percona.com/u/Carlo_Verdecchia)\ **Post date:** [September 5, 2016, 7:03am UTC](https://forums.percona.com/t/error-on-pt-table-sync/5067/3 "2016-09-05T07:03:07Z")
Details: [LIST] [_]mysql version mysql-5.6.28-linux-glibc2.5-i686 [_]pt-table-sync 2.2.16 [\*]the two databases resides on different hosts but have the same version [/LIST] I made a script to lunch this command: pt-table-sync –print –replicate=percona.checksums h=localhost,u=checksum\_user,p=PWD,P=3308,S=/var/run/mysql/mysql\_a.sock,D=AUSYLIA,t=$1 h=conlabfe2,u=checksum\_user,p=PWD,P=3308,S=/var/run/mysql/mysql\_a.sock &\>sync\_dati\_$1.log &