diff --git a/src/Apps/W1/WithholdingTax/Test/src/ERMWithholdingTaxTestsII.Codeunit.al b/src/Apps/W1/WithholdingTax/Test/src/ERMWithholdingTaxTestsII.Codeunit.al
index 58c0c74c25f..9f23ffc57ae 100644
--- a/src/Apps/W1/WithholdingTax/Test/src/ERMWithholdingTaxTestsII.Codeunit.al
+++ b/src/Apps/W1/WithholdingTax/Test/src/ERMWithholdingTaxTestsII.Codeunit.al
@@ -46,6 +46,7 @@ codeunit 148322 "ERM Withholding Tax Tests II"
         WHTProdPostGroupNotCopiedErr: Label 'Withholding Tax Prod. Post. Group must be copied from the applied Invoice to the Payment line.';
         EmployeeOnlyOptionErr: Label 'The %1 option can be used only when the withholding tax is for employees.', Comment = '%1 = field caption';
         ThresholdPeriodNotAllowedErr: Label 'The %1 can be specified only when %2 is %3 or %4.', Comment = '%1 = Withholding Threshold Period field caption, %2 = Withholding Threshold Base field caption, %3 = Category in Period option, %4 = Total in Period option';
+        GenJnlTemplateNotFoundErr: Label 'A general journal template with Type Purchases does not exist.';
         IsInitialized: Boolean;
 
     [Test]
@@ -764,6 +765,58 @@ codeunit 148322 "ERM Withholding Tax Tests II"
         Assert.AreEqual(WHTPostingSetup."WHT Threshold Period"::Month, WHTPostingSetup."WHT Threshold Period", ValueMustBeSameMsg);
     end;
 
+    [Test]
+    [Scope('OnPrem')]
+    [HandlerFunctions('ConfirmHandler')]
+    procedure PostingWHTPaymentWithoutPurchaseJournalTemplateErr()
+    var
+        BankAccount: Record "Bank Account";
+        GenJournalLine: Record "Gen. Journal Line";
+        GenJournalLine2: Record "Gen. Journal Line";
+        GenJournalTemplate: Record "Gen. Journal Template";
+        VATPostingSetup: Record "VAT Posting Setup";
+        WHTBusPostingGroup: Record "Wthldg. Tax Bus. Post. Group";
+        WHTPostingSetup: Record "Withholding Tax Posting Setup";
+        WHTProdPostingGroup: Record "Wthldg. Tax Prod. Post. Group";
+        DocumentNo: Code[20];
+    begin
+        // [FEATURE] [AI Test]
+        // [SCENARIO 647253] Posting a WHT payment without a purchase journal template results in an error.
+        Initialize();
+
+                // [GIVEN] A posted purchase invoice with withholding tax.
+                UpdateLocalFunctionalitiesOnGeneralLedgerSetup(true);
+                LibraryERM.FindVATPostingSetup(VATPostingSetup, VATPostingSetup."VAT Calculation Type"::"Normal VAT");
+                LibraryWithholdingTax.CreateWHTBusinessPostingGroup(WHTBusPostingGroup);
+                LibraryWithholdingTax.CreateWHTProductPostingGroup(WHTProdPostingGroup);
+                CreateGeneralJournalLineWithBalAccountType(
+                    GenJournalLine, GenJournalLine."Document Type"::Invoice, CreateVendor(VATPostingSetup."VAT Bus. Posting Group", WHTBusPostingGroup.Code), '',
+                    '', GenJournalLine."Bal. Account Type"::"G/L Account", CreateGLAccountWithVATBusPostingGroup(VATPostingSetup, WHTProdPostingGroup.Code),
+                    -LibraryRandom.RandDecInRange(100, 200, 2));
+                UpdateGenJournalLineWHTAbsorbBase(GenJournalLine);
+                FindWHTPostingSetup(WHTPostingSetup, GenJournalLine."Wthldg. Tax Bus. Post. Group", GenJournalLine."Wthldg. Tax Prod. Post. Group", '');
+                LibraryERM.PostGeneralJnlLine(GenJournalLine);
+                DocumentNo := FindVendorLedgerEntry(GenJournalLine."Account No.");
+
+                // [GIVEN] A payment journal line applied to the posted invoice.
+                LibraryERM.CreateBankAccount(BankAccount);
+                CreateGeneralJournalLineWithBalAccountType(
+                    GenJournalLine2, GenJournalLine."Document Type"::Payment, GenJournalLine."Account No.", DocumentNo,
+                    '', GenJournalLine2."Bal. Account Type"::"Bank Account", BankAccount."No.", -FindVendorLedgerEntryAmount(DocumentNo));
+                GenJournalLine2.Validate("Wthldg. Tax Prod. Post. Group", WHTPostingSetup."Wthldg. Tax Prod. Post. Group");
+                GenJournalLine2.Modify(true);
+
+                // [GIVEN] No general journal template of type Purchases exists.
+                GenJournalTemplate.SetRange(Type, GenJournalTemplate.Type::Purchases);
+                GenJournalTemplate.DeleteAll(true);
+
+                // [WHEN] Post the payment journal.
+                asserterror LibraryERM.PostGeneralJnlLine(GenJournalLine2);
+
+                // [THEN] The missing purchase journal template error is raised.
+                Assert.ExpectedError(GenJnlTemplateNotFoundErr);
+        end;
+
     local procedure Initialize()
     var
         VATPostingSetup: Record "VAT Posting Setup";
diff --git a/src/Apps/W1/WithholdingTax/app/src/Purchase/Transaction/WithholdingTaxMgmt.Codeunit.al b/src/Apps/W1/WithholdingTax/app/src/Purchase/Transaction/WithholdingTaxMgmt.Codeunit.al
index d6294bec1b0..05a05dd7f4b 100644
--- a/src/Apps/W1/WithholdingTax/app/src/Purchase/Transaction/WithholdingTaxMgmt.Codeunit.al
+++ b/src/Apps/W1/WithholdingTax/app/src/Purchase/Transaction/WithholdingTaxMgmt.Codeunit.al
@@ -78,6 +78,7 @@ codeunit 6785 "Withholding Tax Mgmt."
         WithholdingMinInvNotConsistentErr: Label 'You cannot post a transaction using different Withholding Tax minimum invoice amounts on lines.';
         DiffWithholdingPostGroupsErr: Label 'The Withholding Tax posting groups are different and thus the entries cannot be apply.';
         MissingRevenueTypeErr: Label 'The Withholding Tax Entry you are trying to process contains WHT Revenue Type `%1`. Please add this value to your Withholding Revenue Types and post again.', Comment = '%1 = Withholding Revenue Type';
+        GenJnlTemplateNotFoundErr: Label 'A general journal template with Type Purchases does not exist.';
         MustbeNegativeLbl: Label 'must be positive.';
         OneLbl: Label 'ONE';
         TwoLbl: Label 'TWO';
@@ -4240,10 +4241,12 @@ codeunit 6785 "Withholding Tax Mgmt."
                     if Source = Source::Vendor then
                         GenJnlTemplate.SetRange(Type, GenJnlTemplate.Type::Purchases);
 
-                    if GenJnlTemplate.FindFirst() then
+                    if GenJnlTemplate.FindFirst() then begin
                         if GenJnlLine."Journal Template Name" <> GenJnlTemplate.Name then
                             if WithholdingTaxEntry2.Amount <> 0 then
                                 InsertWithholdingTaxPostingBuffer(WithholdingTaxEntry2, GenJnlLine, 0, AmountWithDisc);
+                    end else
+                        Error(GenJnlTemplateNotFoundErr);
                 end;
             until (WithholdingTaxEntry.Next() = 0);