Forum Discussion
Advocate ISnowflake connector: "We cannot convert the value null to type Text"
Also i recieved reply from Snowflake
After investigation across multiple cases reporting the same issue, engineering has confirmed that this is a regression in the Power BI Desktop June 2026 release (2.155.756.0) — not a Snowflake-side change. The SNOWFLAKE application database has always returned empty owner/owner_role_type fields for APPLICATION-type databases, but the June release of Power BI Desktop introduced a change in how the connector handles null values during database enumeration, causing the "We cannot convert the value null to type Text" error.
Resolution:
Rolling back to the May or April 2026 version of Power BI Desktop resolves the issue immediately. You can download previous versions from Microsoft's Power BI Desktop release archive.
Advocate IThanks. I've already collected the diagnostics you mentioned and created support ticket
Also
Already tried: legacy connector (PBI_snowflakeLegacyOdbcVersionEnabled, Implementation="1.0") — fails in the connection builder dialog / crashes again and is ODBC-based, so not a viable workaround for us.
Thanks for raising this ValeryK - we've hit this as well and confirmed that the downgrade fixes the issue. Any chance you could link a support ticket so we can watch it as well? Otherwise happy to cut a new one for extra noise.