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Power Automate
Suggested Answer

Error while Test flow

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The 'inputs.parameters' of workflow operation 'Create_item' of type 'OpenApiConnection' is not valid. Error details: The API operation 'PostItem' requires the property 'item/field_11' to be a string of maximum length '255' but is of length '514'.
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  • Suggested answer
    Nived_Nambiar Profile Picture
    18,129 Super User 2025 Season 2 on at
    Hi
     
    The field field_11 value should of length 255, but you have passed a string of length >255, i.e 514.
     
    So try to make sure to pass value/string of length less than or equal to 255 as per defined.
     
    Thanks & Regards,
    Nived N 
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     Found my answer helpful? Please consider marking it as the solution!
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  • Suggested answer
    Ravindra Jadhav Profile Picture
    342 Moderator on at
    Hope You Are Doing Great ❤,
     
    As Nived_Nambiar Mention Your String Length is more then 250 char that why u are facing this issue try to make it small, you can do that by using 
    substring('item/field_11', 0, 240)
    
     
    If my answer helped resolve your issue, please consider marking it as solved to assist others facing the same problem. Additionally, giving it a like would be greatly appreciated and motivates us to keep helping
     
    Thank You
    Ravindra Jadhav

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