Symptoms
Assume that you use partitioned graph tables in SQL Server 2017 on Linux or Windows. When you merge or split a partition, such as by using the ALTER PARTITION FUNCTION statement and the partition is not empty, you may receive an error message that resembles the following:
Msg 213, Level 16, State 1, Line 18
Column name or number of supplied values does not match table definition.
Resolution
This fix is included in Cumulative Update 2 for SQL Server 2017.
About SQL Server 2017 builds
Each new build for SQL Server 2017 contains all the hotfixes and security fixes that were in the previous build. We recommend that you install the latest build for SQL Server 2017.
Status
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
References
Learn about the terminology Microsoft uses to describe software updates.