Trying to deploy a 1.27 prisma server and am running into this error (see pic) when creating the server stack.

i have one currently deployed with 1.25. the error indicates a parameter exception trying to create the service role. things you might try: 1) double check that you entered everything correctly in Step 19 of the deployment guide. 2) confirm that your user role has sufficient IAM privileges to do the deploy. if both of those seem right, then 3) you could try deploying version 1.25 (update this in the cloudformation template by setting the PrismaVersion default value to 1.25.0).

Still having problems deploying - did you have to modify your user privileges to make it work? I’m creating the stack as a root user and leave the ARN field blank on step 20

just to be sure i used the recommended fargate prisma 1.27 and mysql cloudformation templates and uploaded them and they work. nothing special required. if you're using the root account (not generally recommended btw) it should work. i suspect you may not be entering the correct parameters on step 19. make sure you have the right DbHost entered (go to cloudformation > stacks > your-stack-name then click on the outputs tab and copy the DatabaseEndpoint - this is the DbHost). then be sure you're entering the same mysql username and password that you used when you created your mysql db instance. the rest of the template should be populated with default values form the cf template. that's really all there is to it. if you do this and you're still not getting it to work, try going back to your database and updating the password to be sure there are no typos. then try to upload the prisma template again being sure to enter the db paramaters exactly as you have them in your mysql instance.