diff --git a/skyvern/forge/agent.py b/skyvern/forge/agent.py
index c4d53203..ce2b58d5 100644
--- a/skyvern/forge/agent.py
+++ b/skyvern/forge/agent.py
@@ -570,7 +570,7 @@ class ForgeAgent:
                 step_id=step.step_id,
             )
 
-            failure_reason = "unexpected exception"
+            failure_reason = f"Unexpected error: {str(e)}"
             if isinstance(e, SkyvernException):
                 failure_reason = f"unexpected SkyvernException({e.__class__.__name__}): {str(e)}"
 
diff --git a/skyvern/forge/sdk/workflow/context_manager.py b/skyvern/forge/sdk/workflow/context_manager.py
index cf19e3eb..665fe8fa 100644
--- a/skyvern/forge/sdk/workflow/context_manager.py
+++ b/skyvern/forge/sdk/workflow/context_manager.py
@@ -3,7 +3,7 @@ from typing import TYPE_CHECKING, Any
 
 import structlog
 
-from skyvern.exceptions import BitwardenBaseError, WorkflowRunContextNotInitialized
+from skyvern.exceptions import BitwardenBaseError, SkyvernException, WorkflowRunContextNotInitialized
 from skyvern.forge.sdk.api.aws import AsyncAWSClient
 from skyvern.forge.sdk.schemas.organizations import Organization
 from skyvern.forge.sdk.schemas.tasks import TaskStatus
@@ -168,9 +168,12 @@ class WorkflowRunContext:
 
             if self.has_parameter(parameter.url_parameter_key) and self.has_value(parameter.url_parameter_key):
                 url = self.values[parameter.url_parameter_key]
+            elif parameter.url_parameter_key:
+                # If a key can't be found within the parameter values dict, assume it's a URL (and not a URL Parameter)
+                url = parameter.url_parameter_key
             else:
                 LOG.error(f"URL parameter {parameter.url_parameter_key} not found or has no value")
-                raise ValueError("URL parameter for Bitwarden login credentials not found or has no value")
+                raise SkyvernException("URL parameter for Bitwarden login credentials not found or has no value")
 
             collection_id = None
             if parameter.bitwarden_collection_id:
diff --git a/skyvern/forge/sdk/workflow/models/block.py b/skyvern/forge/sdk/workflow/models/block.py
index 38d694e5..6d099555 100644
--- a/skyvern/forge/sdk/workflow/models/block.py
+++ b/skyvern/forge/sdk/workflow/models/block.py
@@ -280,7 +280,7 @@ class Block(BaseModel, abc.ABC):
             if not workflow_run_context.has_value(self.output_parameter.key):
                 await self.record_output_parameter_value(workflow_run_context, workflow_run_id)
 
-            failure_reason = "unexpected exception"
+            failure_reason = f"Unexpected error: {str(e)}"
             if isinstance(e, SkyvernException):
                 failure_reason = f"unexpected SkyvernException({e.__class__.__name__}): {str(e)}"
 
diff --git a/skyvern/forge/sdk/workflow/service.py b/skyvern/forge/sdk/workflow/service.py
index eaa5cbc8..f0390d50 100644
--- a/skyvern/forge/sdk/workflow/service.py
+++ b/skyvern/forge/sdk/workflow/service.py
@@ -349,7 +349,7 @@ class WorkflowService:
                     block_label=block.label,
                 )
 
-                exception_message = "unexpected exception"
+                exception_message = f"Unexpected error: {str(e)}"
                 if isinstance(e, SkyvernException):
                     exception_message = f"unexpected SkyvernException({e.__class__.__name__}): {str(e)}"