After changing the column name in Power BI Desktop you can get an error:
The name "atribute name"is already used for a column on table "table name". Choose a different name.
It seems that you can get this error when you are chaning the column name and you are chaning only the characters case, for example when you are changing the column “My Atribute” to “my atribute”. It looks like this is just a bug and i think it will be solve in nexts releases.
As far as i know the only one solution to solve this error is to change the column name to the temporary name, and the set up the name according to our requirements. For example we can change the “My Atribute” to “_ My Atribute” first and then to “my atribute”.
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