fix: added validation message for low gross purchase amount (backport #41502) (#41553)

fix: added validation message for low gross purchase amount

(cherry picked from commit 8a30701893)

Co-authored-by: Khushi Rawat <142375893+khushi8112@users.noreply.github.com>

erpnext/assets/doctype/asset_depreciation_schedule/asset_depreciation_schedule.py

@@ -363,6 +363,16 @@ class AssetDepreciationSchedule(Document):
 					row.depreciation_start_date,
 					has_wdv_or_dd_non_yearly_pro_rata,
 				)
+				if flt(depreciation_amount, asset_doc.precision("gross_purchase_amount")) <= 0:
+					frappe.throw(
+						_(
+							"Gross Purchase Amount Too Low: {0} cannot be depreciated over {1} cycles with a frequency of {2} depreciations."
+						).format(
+							frappe.bold(asset_doc.gross_purchase_amount),
+							frappe.bold(row.total_number_of_depreciations),
+							frappe.bold(row.frequency_of_depreciation),
+						)
+					)
 			elif n == 0 and has_wdv_or_dd_non_yearly_pro_rata and self.opening_accumulated_depreciation:
 				if not is_first_day_of_the_month(getdate(asset_doc.available_for_use_date)):
 					from_date = get_last_day(