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Power Platform Community / Forums / Power Apps / AllowedLogicalOperator...
Power Apps
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AllowedLogicalOperators error --- Equal is not allowed

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Posted on by JA-27031718-0 2
I am using a SQL Connector to our Business Central, because the Business Central (On-prem) connector only shows standard entity set, however when I start consuming the data from the SQL Server, this error pops out. 
Anyone who has encountered this error? what is the fix for this? Please advise. Thank you.
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Building Power Apps
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  • Suggested answer
    11manish Profile Picture
    11manish 3,333 on at
    This is an OData / Web API security restriction. The backend service (likely a custom Web API or an OData source you are connecting to) has disabled the use of the = (Equal) operator in queries to prevent performance issues or broad data scraping.
    The Fix:
    • If you own the API: You need to update the EnableQuery attribute in your C# code or Web API configuration to allow the Equal operator.
    • If you are the App Maker: Check your Filter or LookUp formulas. Instead of a direct Filter(DataSource, ID = 10), try creating a variable first or using a search-based approach if the API supports it.

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