An Error Occurred

I am the subsystem error view: home:main.error.

Details of the exception:

Failed action: 5helloservice:main.other
Application event: onRequest
Exception type: Expression
Exception message: Event handler exception.
Exception detail: An exception occurred while invoking an event handler method from Application.cfc. The method name is: onRequest.

struct
action	5helloservice:main.other

Framework Lifecycle Trace

time	delta	action	message
0ms	1ms		setupSession() called
1ms			setupRequest() called
1ms		5helloservice:main.other	queuing controller
1ms		Application.cfc	no before controller to call
1ms		5helloservice:main.before	no before controller to call
1ms	1ms	5helloservice:main.other	no item controller to call
2ms		5helloservice:main.after	no after controller to call
2ms		Application.cfc	no after controller to call
2ms		5helloservice:main.other	building view queue
2ms		5helloservice:main.other	found view /examples/subsystems/5helloservice/views/main/other.cfm
2ms	1ms		setupView() called
3ms	9ms		rendering /examples/subsystems/5helloservice/views/main/other.cfm
12ms	3ms		onError( Event handler exception., onRequest ) called
15ms	2ms	main.error	building view queue
17ms		main.error	found view /examples/views/main/error.cfm
17ms			setupView() called
17ms	6ms		rendering /examples/views/main/error.cfm
23ms	4ms	main.error	building layout queue
27ms		main.error	found default layout /examples/layouts/default.cfm
27ms			rendering /examples/layouts/default.cfm
27ms			setupResponse() called