# Tag is write by some uncertain reason while program no binding and scripting

**URL:** <https://forum.inductiveautomation.com/t/tag-is-write-by-some-uncertain-reason-while-program-no-binding-and-scripting/34561>\
**Category:** Ignition\
**Tags:** ignition80\
**Created:** [May 8, 2020, 6:41am UTC](https://forum.inductiveautomation.com/t/tag-is-write-by-some-uncertain-reason-while-program-no-binding-and-scripting/34561 "2020-05-08T06:41:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![yifeiliu08](https://avatars.discourse-cdn.com/v4/letter/y/bbe5ce/32.png) [@yifeiliu08](https://forum.inductiveautomation.com/u/yifeiliu08)\
**Post date:** [May 8, 2020, 6:41am UTC](https://forum.inductiveautomation.com/t/tag-is-write-by-some-uncertain-reason-while-program-no-binding-and-scripting/34561/1 "2020-05-08T06:41:56Z")

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![image](https://us1.discourse-cdn.com/inductiveautomation/original/2X/6/6c1d1308ea1a82b263a6efd14eb1ddf7c66843e1.png)  
i have a project which have many memory tag, when my gateway is 7.9 version , it is ok  
but after i update to 8.0, these tag will always be write to some data which is out of my control, for the 8M tag, i have make it no binding, but after some while , it will be write to 31  
any place can found who trigger this execute? why in 7.9 never have this issue?