EmrEtlRunner::EmrExecutionError in the 3rd stage of the process

For engineers AWS batch pipeline (Legacy)
5

I investigated and overcome form that error @BenFradet.
Now i am getting below error:

Data loading error [Amazon](500310) Invalid operation: User arn:aws:redshift:us-east-1:302576851619:dbuser:snowplow/xxxxxx is not authorized to assume IAM Role arn:aws:iam::302576851619:role/myRedshiftRole
Details: 
 -----------------------------------------------
  error:  User arn:aws:redshift:us-east-1:302576851619:dbuser:snowplow/xxxxxx is not authorized to assume IAM Role arn:aws:iam::302576851619:role/myRedshiftRole
  code:      8001
  context:   IAM Role = arn:aws:iam::302576851619:role/myRedshiftRole
  query:     44246
  location:  xen_aws_credentials_mgr.cpp:230
  process:   padbmaster [pid=1561]
  -----------------------------------------------;
ERROR: Data loading error [Amazon](500310) Invalid operation: User arn:aws:redshift:us-east-1:302576851619:dbuser:snowplow/unilog is not authorized to assume IAM Role arn:aws:iam::302576851619:role/myRedshiftRole
Details: 
 -----------------------------------------------
  error:  User arn:aws:redshift:us-east-1:302576851619:dbuser:snowplow/unilog is not authorized to assume IAM Role arn:aws:iam::302576851619:role/myRedshiftRole
  code:      8001
  context:   IAM Role = arn:aws:iam::302576851619:role/myRedshiftRole
  query:     44246
  location:  xen_aws_credentials_mgr.cpp:230
  process:   padbmaster [pid=1561]
  -----------------------------------------------;
Following steps completed: [Discover]
INFO: Logs successfully dumped to S3 [s3://snowplowevents/logs/rdb-loader/2017-10-23-06-56-26/80c5a3ec-ef7c-499a-b88f-3d1f56e4f9c6]

Help me to resolve that error…

I have posted a new thread for this error also, below is the link