// Get the issue that triggered the event
def issue = event.issue
// Check if the issue type is 'Epic'
if (issue.issueType.name == "Epic") {
// Lookup linked issues of type 'Olympus Idea'
def linkedIssues = ComponentAccessor.issueManager.getIssueObjects(issue.get("Related Idea Ticket")?.id, issue)
.findAll { it.issueType.name == "Olympus Idea" }
// Lookup Epics linked to the 'Olympus Idea' issues that are not Canceled
def epicIssues = linkedIssues.collectMany { idea ->
ComponentAccessor.issueManager.getIssueObjects(idea.get("Related Idea Ticket")?.id, idea)
.findAll { it.issueType.name == "Epic" && it.status.name != "Canceled" }
}
// Calculate the sum of 'Calculated Story Points', 'Completed work to date', and 'Story Points' for the Epic issues
def sumCalculatedStoryPoints = epicIssues.sum { it.get("Calculated Story Points") as Double ?: 0.0 }
def sumCompletedWorkToDate = epicIssues.sum { it.get("Completed work to date") as Double ?: 0.0 }
def sumStoryPoints = epicIssues.sum { it.get("Story Points") as Double ?: 0.0 }
// Update the 'Calculated Story Points', 'Completed work to date', and 'Story Points' fields of the Epic
def changeHolder = new DefaultIssueChangeHolder()
issue.setCustomFieldValue(issue.getCustomFieldObjectsByName("Calculated Story Points").first(), sumCalculatedStoryPoints)
issue.setCustomFieldValue(issue.getCustomFieldObjectsByName("Completed work to date").first(), sumCompletedWorkToDate)
issue.setCustomFieldValue(issue.getCustomFieldObjectsByName("Story Points").first(), sumStoryPoints)
// Save the Epic issue
ComponentAccessor.issueManager.updateIssue(event.user, issue, EventDispatchOption.ISSUE_UPDATED, false)
}
but the execution is failing with the below log. Please suggest what to do.
2024-04-22 10:46:42.635 ERROR - startup failed:
Script1.groovy: 22: unable to resolve class DefaultIssueChangeHolder
@ line 22, column 24.
def changeHolder = new DefaultIssueChangeHolder()
^
1 error
2024-04-22 10:46:42.636 ERROR - Class: com.adaptavist.sr.cloud.events.WebhookExecution, Config: null 
