diff --git a/src/claim-request-management/claim-request-management.service.ts b/src/claim-request-management/claim-request-management.service.ts
index 4a0dc27..45885ea 100644
--- a/src/claim-request-management/claim-request-management.service.ts
+++ b/src/claim-request-management/claim-request-management.service.ts
@@ -274,6 +274,12 @@ const FANAVARAN_ACCIDENT_LOCATION_ADDRESS = "استان تهران شهر تهر
 const FANAVARAN_DEFAULT_ACCIDENT_CAUSE_ID = 6;
 const FANAVARAN_DEFAULT_ACCIDENT_LEVEL = 5456;
 const FANAVARAN_PROVISIONAL_ESTIMATE_AMOUNT = 1000;
+/**
+ * Fanavaran sometimes rejects missing/empty/whitespace licence numbers.
+ * We always send either the user-entered value (from DB) or this 10-digit dummy.
+ */
+const FANAVARAN_DUMMY_LICENCE_NO =
+  process.env.FANAVARAN_DUMMY_LICENCE_NO?.trim() || "9705463515";
 
 /** Local carType → Fanavaran vehicle-kind Caption keywords for matching. */
 const VEHICLE_KIND_KEYWORDS: Record<ClaimVehicleTypeV2, string[]> = {
@@ -3522,6 +3528,58 @@ export class ClaimRequestManagementService {
     };
   }
 
+  /**
+   * Extract digits-only licence number from a possibly-null/empty value.
+   * Returns `null` when the value is "null", "undefined", "", '' or whitespace.
+   */
+  private extractNonEmptyLicenceDigits(
+    value: unknown,
+  ): string | null {
+    if (value === null || value === undefined) return null;
+    const asString =
+      typeof value === "number" ? String(value) : String(value);
+    const trimmed = asString.trim();
+    if (!trimmed) return null;
+    const lowered = trimmed.toLowerCase();
+    if (lowered === "null" || lowered === "undefined") return null;
+    const digits = trimmed.replace(/[^\d]/g, "");
+    return digits ? digits : null;
+  }
+
+  /**
+   * Resolve licence number to send to Fanavaran.
+   * Preference order:
+   * - use the first non-empty value from DB (driverLicense/insurerLicense)
+   * - else use the configured 10-digit dummy
+   */
+  private resolveFanavaranLicenceNoFromParty(input: {
+    driverIsInsurer?: boolean;
+    driverLicense?: unknown;
+    insurerLicense?: unknown;
+  }): string {
+    const { driverIsInsurer, driverLicense, insurerLicense } = input;
+
+    // When driverIsInsurer === true, UI usually mirrors insurer/driver values,
+    // but DB can still miss one of the two fields — prefer both.
+    const candidates = driverIsInsurer
+      ? [driverLicense, insurerLicense]
+      : [driverLicense, insurerLicense];
+
+    for (const c of candidates) {
+      const digits = this.extractNonEmptyLicenceDigits(c);
+      if (digits) return digits;
+    }
+
+    return FANAVARAN_DUMMY_LICENCE_NO;
+  }
+
+  /** Last-resort sanitization for payload values coming from manual overrides. */
+  private ensureFanavaranNonEmptyLicenceNo(value: unknown): string {
+    return (
+      this.extractNonEmptyLicenceDigits(value) ?? FANAVARAN_DUMMY_LICENCE_NO
+    );
+  }
+
   private applyFanavaranDefaultFields(result: Record<string, unknown>): void {
     result.ActualPremium = null;
     result.ArchiveNo = null;
@@ -3536,7 +3594,8 @@ export class ClaimRequestManagementService {
     result.CulpritLicenceCountryId = null;
     result.CulpritLicenceForeignCityName = null;
     result.CulpritLicenceIssuDate = "1394/10/13";
-    result.CulpritLicenceNo = "1124242";
+    // Must never be empty/null.
+    result.CulpritLicenceNo = FANAVARAN_DUMMY_LICENCE_NO;
     result.DamagedCount = 1;
     result.DmgAssessorFirstCreationTime = null;
     result.EntryDate = null;
@@ -4055,7 +4114,12 @@ export class ClaimRequestManagementService {
       LicenceCountryId: null,
       LicenceForeignCityName: null,
       LicenceIssuDate: person.driverBirthday ?? "1394/10/13",
-      LicenceNo: person.driverLicense ?? "1124242",
+      // Must never be empty/null; prefer stored DB value, else use dummy.
+      LicenceNo: this.resolveFanavaranLicenceNoFromParty({
+        driverIsInsurer: person.driverIsInsurer,
+        driverLicense: person.driverLicense,
+        insurerLicense: person.insurerLicense,
+      }),
       LicenceTypeId: input.defaults.CulpritLicenceTypeId,
       MotorNo: this.pickPartyInquiryField(inquiryMapped, inquiryRaw, [
         "MtrNum",
@@ -6324,6 +6388,10 @@ export class ClaimRequestManagementService {
       clientKey,
       defaults: profile.defaults,
     });
+
+    // Guardrail: never send empty/null licence fields even if manual overrides arrive.
+    payload.LicenceNo = this.ensureFanavaranNonEmptyLicenceNo(payload.LicenceNo);
+
     const url = `${this.FANAVARAN_SUBMIT_URL}/${claimCase.claimId}/dmg-cases`;
     this.logger.log(
       `[executeFanavaranDamageCaseSubmit] claimCaseId=${claimCaseId} claimId=${claimCase.claimId} payload.DriverId=${payload.DriverId ?? "NULL"} payload keys=${Object.keys(payload).join(", ")}`,
@@ -7124,6 +7192,12 @@ export class ClaimRequestManagementService {
         auditSession,
         persistPayload: true,
       }));
+
+    // Guardrail: never send empty/null licence fields even if manual overrides arrive.
+    fanavaranData.CulpritLicenceNo = this.ensureFanavaranNonEmptyLicenceNo(
+      fanavaranData.CulpritLicenceNo,
+    );
+
     this.logger.log(
       `${logPrefix} Mapped data prepared:`,
       JSON.stringify(fanavaranData, null, 2),
diff --git a/src/core/config/fanavaran-client.config.ts b/src/core/config/fanavaran-client.config.ts
index b8f5a2f..2120427 100644
--- a/src/core/config/fanavaran-client.config.ts
+++ b/src/core/config/fanavaran-client.config.ts
@@ -138,7 +138,9 @@ export const SEED_FANAVARAN_CLIENT_PROFILES: Record<
       ClaimExpertId: 154,
       // GEN.08 — ارزیاب خسارت ثالث مالی (رسول کرکی / شعبه غرب → 29)
       ExpertiseClaimExpertId: 29,
-      ClaimFileTypeId: 70,
+      // GEN.07 — proven 2026-08-03 (CL68535): 63 = سایر مدارک خسارت in parsian file-types.
+      // Do not use 70 — not in Parsian lookup → "نوع فايل با منبع لوکاپ مطابقت ندارد".
+      ClaimFileTypeId: 63,
     },
   },
   moallem: {