How to Stop - Replace Error and Rename Column Steps in Power Query

[smjzahid]

In my dataflow I note that below 2 highlighted steps (Replace Errors, Renamed Columns) are getting inserted automatically by the Power Query (I dont want those 2 steps to be added).

What I have done I removed both the steps and save the dataflow, and then when I open the dataflow again I see below 2 steps again, (being added automatically by the Power Query)

How do I avoid those 2 steps getting added automatically.

[Anonymous]

Hello,

This issue affects dataflow as well. It's simply impossible to create a reference to queries giving table that contain binary columns. 

Maybe an improvement on the next versions to avoid type detection completely is due.

Best regards,

[teylyn]

I have the same problem. It keeps transforming a date column to text.

[tomek_gacek]

@smjzahid 

You could try to define dataypes for each column.
I had the same situation:

and this is caused that all columns had "Any" datatype

when i converted back to the right datatype problem was resolved.
Let me know if it helps.

[Anonymous]

This was the solution for me. Once I explicitly defined the data types for all columns, the "Replace Errors" step was not being automatically generated anymore.

[cassidy]

Did you figure out how to stop it?  I have the same issue and the suggested tip didn't work.

[Fowmy]

@smjzahid 

Can you try the following:

Go to Data Flow and edit, Select Project Option and Options in Home Tab, Untick "Automatic Detect column types. . . .".

It is supposed to remove automatic type change but try if it works for your issue as well.

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