Merge pull request #54202 from frappe/mergify/bp/version-14/pr-54192

fix: added exception handling on service level agreement apply hook (#50096) (backport #54192)

Author: diptanilsaha

erpnext/support/doctype/service_level_agreement/service_level_agreement.py

@@ -449,10 +449,16 @@ def get_documents_with_active_service_level_agreement():
 
 
 def set_documents_with_active_service_level_agreement():
-	active = [
-		sla.document_type for sla in frappe.get_all("Service Level Agreement", fields=["document_type"])
-	]
-	frappe.cache().hset("service_level_agreement", "active", active)
+	try:
+		active = frozenset(
+			sla.document_type for sla in frappe.get_all("Service Level Agreement", fields=["document_type"])
+		)
+		frappe.cache().hset("service_level_agreement", "active", active)
+	except (frappe.DoesNotExistError, frappe.db.TableMissingError):
+		# This happens during install / uninstall when wildcard hook for SLA intercepts some doc action.
+		# In both cases, the error can be safely ignored.
+		active = frozenset()
+
 	return active