Cannot create issue after running the behavior script

[Jyoti Karwal]

Being not so familiar with Scripting, I am trying to implement a Behaviour serverside script on a create issue screen to hide/show the custom fields depending upon the value of select list value.

I have tried the following script:
def Linkedissues = getFieldById("customfield_13310")
def Assignee = getFieldById("customfield_13310")
def Reporter = getFieldById("customfield_13310")
def Description = getFieldById("customfield_13310")
def Summary = getFieldById("customfield_13310")
def FixVersion = getFieldById("customfield_13310")
def ApproximateEffort = getFieldById("customfield_13609")
def Attachment = getFieldById("customfield_13310")
def RequirementImpact = getFieldById("customfield_14390")
def DecisionDueDate = getFieldById("customfield_14594")
def AffectedProducts = getFieldById("customfield_14040")
def AffectedConstellations = getFieldById("customfield_14595")
def AffectedCustomers = getFieldById("customfield_14596")
def RiskofDefect = getFieldById("customfield_14597")
def Action = getFieldById("customfield_14598")
def Reason = getFieldById("customfield_14599")
def Impact = getFieldById("customfield_14600")
def DocumentWorkInstructions = getFieldById("customfield_14601")
def Type = getFieldById("customfield_14593")
def selectedOption = Type.getValue() as String
log.debug "Selected option: $selectedOption"
if (selectedOption == "Defect")

{ Linkedissues.setHidden(false) Assignee.setHidden(false) Reporter.setHidden(false) Description.setHidden(false) Summary.setHidden(false) ApproximateEffort.setHidden(false) Attachment.setHidden(false) DecisionDueDate.setHidden(false) AffectedProducts.setHidden(false) AffectedConstellations.setHidden(false) AffectedCustomers.setHidden(false) RiskofDefect.setHidden(false) FixVersion.setHidden(false) }

else {
if(Linkedissues.value || Description.value || Summary.value || FixVersion.value || ApproximateEffort.value || Attachment.value || DecisionDueDate.value || AffectedProducts.value || AffectedConstellations.value || AffectedCustomers.value || RiskofDefect.value || FixVersion.value || Assignee.value || Reporter.value)

{ Linkedissues.setFormValue(null) Assignee.setFormValue(null) Reporter.setFormValue(null) Description.setFormValue(null) Summary.setFormValue(null) ApproximateEffort.setFormValue(null) Attachment.setFormValue(null) DecisionDueDate.setFormValue(null) AffectedProducts.setFormValue(null) AffectedConstellations.setFormValue(null) AffectedCustomers.setFormValue(null) RiskofDefect.setFormValue(null) FixVersion.setFormValue(null) }

Linkedissues.setHidden(true)
Assignee.setHidden(true)
Reporter.setHidden(true)
Description.setHidden(true)
Summary.setHidden(true)
ApproximateEffort.setHidden(true)
Attachment.setHidden(true)
DecisionDueDate.setHidden(true)
AffectedProducts.setHidden(true)
AffectedConstellations.setHidden(true)
AffectedCustomers.setHidden(true)
RiskofDefect.setHidden(true)
FixVersion.setHidden(true)
}

if (selectedOption == "Scope Change")

{ Linkedissues.setHidden(false) Assignee.setHidden(false) Reporter.setHidden(false) Description.setHidden(false) Summary.setHidden(false) ApproximateEffort.setHidden(false) Attachment.setHidden(false) DecisionDueDate.setHidden(false) Action.setHidden(false) Reason.setHidden(false) Impact.setHidden(false) }

else {
if(Linkedissues.value || Description.value || Summary.value || FixVersion.value || ApproximateEffort.value || Attachment.value || DecisionDueDate.value || Action.value || Reason.value || Impact.value || Assignee.value || Reporter.value)

{ Linkedissues.setFormValue(null) Assignee.setFormValue(null) Reporter.setFormValue(null) Description.setFormValue(null) Summary.setFormValue(null) ApproximateEffort.setFormValue(null) Attachment.setFormValue(null) DecisionDueDate.setFormValue(null) Action.setFormValue(null) Reason.setFormValue(null) Impact.setFormValue(null) FixVersion.setFormValue(null) }

Linkedissues.setHidden(true)
Assignee.setHidden(true)
Reporter.setHidden(true)
Description.setHidden(true)
Summary.setHidden(true)
ApproximateEffort.setHidden(true)
Attachment.setHidden(true)
DecisionDueDate.setHidden(true)
Action.setHidden(true)
Reason.setHidden(true)
Impact.setHidden(true)
FixVersion.setHidden(true)
}

if (selectedOption == "Process")

{ Linkedissues.setHidden(false) Assignee.setHidden(false) Reporter.setHidden(false) Description.setHidden(false) Summary.setHidden(false) ApproximateEffort.setHidden(false) Attachment.setHidden(false) DecisionDueDate.setHidden(false) DocumentWorkInstructions.setHidden(false) }

else {
if(Linkedissues.value || Description.value || Summary.value || FixVersion.value || ApproximateEffort.value || Attachment.value || DecisionDueDate.value || DocumentWorkInstructions.value || Assignee.value || Reporter.value)

{ Linkedissues.setFormValue(null) Assignee.setFormValue(null) Reporter.setFormValue(null) Description.setFormValue(null) Summary.setFormValue(null) ApproximateEffort.setFormValue(null) Attachment.setFormValue(null) DecisionDueDate.setFormValue(null) DocumentWorkInstructions.setFormValue(null) FixVersion.setFormValue(null) }

Linkedissues.setHidden(true)
Assignee.setHidden(true)
Reporter.setHidden(true)
Description.setHidden(true)
Summary.setHidden(true)
ApproximateEffort.setHidden(true)
Attachment.setHidden(true)
DecisionDueDate.setHidden(true)
DocumentWorkInstructions.setHidden(true)
FixVersion.setHidden(true)
}

I am not able to create issues, When I click on Create button , the screen freeze and it is taking infinite time...

I have tried the similar script on Edit screen and it worked fine, but for Create screen it is giving me an issue. Please can someone help me with this issue.

[Jyoti Karwal]

Can any one help please?