# Can't Write OPC Tag - illegal data address

**URL:** <https://forum.inductiveautomation.com/t/cant-write-opc-tag-illegal-data-address/63063>\
**Category:** Ignition\
**Created:** [August 16, 2022, 6:55pm UTC](https://forum.inductiveautomation.com/t/cant-write-opc-tag-illegal-data-address/63063 "2022-08-16T18:55:18Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![pturmel](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/pturmel/32/3295_2.png) [@pturmel](https://forum.inductiveautomation.com/u/pturmel)\
**Post date:** [April 12, 2024, 1:36pm UTC](https://forum.inductiveautomation.com/t/cant-write-opc-tag-illegal-data-address/63063/8 "2024-04-12T13:36:58Z")

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Split this topic on April 12, 2024, 1:36pm UTC

A post was split to a new topic: [Write to Deepsea Panel](https://forum.inductiveautomation.com/t/write-to-deepsea-panel/88736)

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_[View the full topic](https://forum.inductiveautomation.com/t/cant-write-opc-tag-illegal-data-address/63063)._