retain v2 error values

program/src/error.rs

@@ -34,6 +34,9 @@ pub enum TokenError {
     /// Invalid number of required signers.
     #[error("Invalid number of required signers")]
     InvalidNumberOfRequiredSigners,
+    /// State is uninitialized.
+    #[error("State is unititialized")]
+    UninitializedState,
     /// Instruction does not support native tokens
     #[error("Instruction does not support native tokens")]
     NativeNotSupported,

program/src/processor.rs

@@ -758,6 +758,7 @@ impl PrintProgramError for TokenError {
             TokenError::InvalidNumberOfRequiredSigners => {
                 info!("Error: Invalid number of required signers")
             }
+            TokenError::UninitializedState => info!("Error: State is uninitialized"),
             TokenError::NativeNotSupported => {
                 info!("Error: Instruction does not support native tokens")
             }