NOTE: For Version 3 of the AWS SDK for PHP, please see the V3 User Guide and V3 API Reference.

# Namespace Aws\Swf\Exception

## Exceptions summary

DefaultUndefinedException | Exception that occurs when a DefaultUndefinedException error is encountered
DomainAlreadyExistsException | Returned if the specified domain already exists. You will get this fault even if the existing domain is in deprecated status.
DomainDeprecatedException | Returned when the specified domain has been deprecated.
LimitExceededException | Returned by any operation if a system imposed limitation has been reached. To address this fault you should either clean up unused resources or increase the limit by contacting AWS.
OperationNotPermittedException | Returned when the caller does not have sufficient permissions to invoke the action.
SwfException | Default service exception class
TypeAlreadyExistsException | Returned if the type already exists in the specified domain. You will get this fault even if the existing type is in deprecated status. You can specify another version if the intent is to create a new distinct version of the type.
TypeDeprecatedException | Returned when the specified activity or workflow type was already deprecated.
UnknownResourceException | Returned when the named resource cannot be found with in the scope of this operation (region or domain). This could happen if the named resource was never created or is no longer available for this operation.
WorkflowExecutionAlreadyStartedException | Returned by StartWorkflowExecution when an open execution with the same workflowId is already running in the specified domain.