Server crash when using {TRIGGER.NAME} for notifications

3855:20090211:011607 Conditions match our event. Execute operation.
3855:20090211:011607 In substitute_macros(data:"

{TRIGGER.NAME}: {STATUS}")
3855:20090211:011607 In substitute_simple_macros (data:"{TRIGGER.NAME}

:

{STATUS}")
3855:20090211:011607 Before replace_to [{]
3855:20090211:011607 In substitute_simple_macros (data:"Processor load is too high on {HOSTNAME}")
3855:20090211:011607 Query [select expression from triggers where triggerid=13409]
3855:20090211:011607 End substitute_simple_macros (result:<90>^Y{L^^?)
3855:20090211:011607 After replace_to [<90>^Y{L^^^?]
3855:20090211:011607 End substitute_simple_macros (result:<90>^Y{L^^?: PROBLEM)
3855:20090211:011607 End substitute_macros(result:<90>^Y{L^^?: PROBLEM)
3855:20090211:011607 In substitute_macros(data:"{TRIGGER.NAME}: {STATUS}

")
3855:20090211:011607 In substitute_simple_macros (data:"

{TRIGGER.NAME}

:

{STATUS}

")
3855:20090211:011607 Before replace_to [{]
3855:20090211:011607 In substitute_simple_macros (data:"Processor load is too high on

{HOSTNAME}

")
3855:20090211:011607 Query [select expression from triggers where triggerid=13409]
3855:20090211:011607 End substitute_simple_macros (result<AE><93>L^^^?{L^^?)
3855:20090211:011607 After replace_to [P<AE><93>L^^^?{L^^^?]