Issue
Recently, we moved a solution from one environment to another, and we faced the error mentioned below.
The following solution cannot be imported: [Solution Name]. Some dependencies are missing.
Analysis
When we checked the log, it gave us JSON output of the missing dependencies list. But we were not clear what to do with this. I tried to search for the issue on Google. But I was not able to find any exact solution for this.
Solution
Our solution contains flows initially developed independently and were not part of the solution. So, the connections used in the flow were user connections, and they were not added to the solution.
So, I thought adding direct connections would fix the issue. But then I searched for the ideal solution for this. I found out that we need to first create a connection reference in the solution and then replace the connection used in the flow with the connection reference that we have created. The solution is to use connection references instead of connections directly. This took some time but eventually, we got rid of all the missing dependency errors.