(fix): rpc error formatting

[arch1995]

Motivation and Context

Jira Link: https://consensyssoftware.atlassian.net/browse/W3APD-5173

Description

• fix rpc error formatting.

How has this been tested?

developer tested this.

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project. (run lint)
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• My code requires a db migration.