Workflow Set Value does not work on Custom Table

[CrysZzz]

Hi, I have a problem. I have created a table that does not extend from Task and when I use workflow to set the value, it does not change although all other activities have passed. I have tried to remove any roles in table's ACL but it still not work. Hope someone can help me.

Below is my workflow:

[Alex Tod1 · Accepted solution]

Hi @CrysZzz,

  I recommend you to try to use "Run script" instead of those "Set Values".

[CrysZzz]

Thank you so much, it has worked. However, I am learning to know how the system works, so I would like to know the reason why I have to use script instead of "Set Value".