Partition Type 'M' not supported

[eilmrein]

I am getting this error after doing these things:
1. Create an empty PBIX file
2. Extract the model from it using pbi-tools extract

3. Overwriting the database.json with a model.bim from a SSAS-Project
4. Compiling a pbit file from the modified directory using pbi-tools

5. Opening this pbit file

All partitions have a source of type m in the json file.

Any ideas?

[MRIZ]

Hi, I have come accross with the same issue. getting error . I extracted SSAS model using Tablar Editor. I converted Model.bim file to .PBIT file. Now opening it on Power BI giving me below error. plz help

[eilmrein]

Hi,
When I export a model from Power BI using Tabular Editor (2.17.3) I get the following partition definition for a table:

       "partitions": [
          {
            "name": "Fronius-97d190ea-8d10-4855-a837-53fbaa86acdf",
            "mode": "import",
            "source": {
              "type": "m",
              "expression": [
                "let",
                "    v_froniusdata_View = HouseDB{[Name=\"v_froniusdata\",Kind=\"View\"]}[Data]",
                "in",
                "    v_froniusdata_View"
              ]
            }
          }
        ],

When I use this file instead of the one taken from SSAS, everything works as expected.
Looks like there is a versioning conflict somewhere....
The SSAS model is CompatibilityLevel 1500 whereas the Power BI exported file is 1567

The partitions definition in the SSAS bim-file looks like this:

 "partitions": [
          {
            "name": "Partition",
            "dataView": "full",
            "source": {
              "type": "m",
              "expression": [
                "let",
                "    Source = #\"SQL/10 35 11 133;DATAMART\",",
                "    dbo_Dim_External_IC_DM = Source{[Schema=\"dbo\",Item=\"Dim_External_IC_DM\"]}[Data]",
                "in",
                "    dbo_Dim_External_IC_DM"
              ]
            }
          }
        ],

[v-tangjie-msft]

Hi @eilmrein ,

Based on the error message, it seems that all partitions have a source type "m" in the JSON file, which is not a recognizable partition source type in Power BI. The most common types of partition sources are SQL, Oracle, Text/CSV, and Web.
You can try:
1. Modify the partition source type in the JSON file to a recognized partition source type.
2. Check the model.bim file for corruption.
3. Try deleting and recreating the partition in Power BI.
4.Try creating a new Power BI report and importing the model into it.
Also, make sure that you have followed the correct steps to modify and compile the pbit file using pbi-tools. Double-check that the modified JSON file is saved correctly and that the pbit file is compiled correctly.

Best Regards,

Neeko Tang

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