diff --git a/src/migration/globalautonumber.ts b/src/migration/globalautonumber.ts
index 3aba032d..9f8a703b 100644
--- a/src/migration/globalautonumber.ts
+++ b/src/migration/globalautonumber.ts
@@ -121,14 +121,16 @@ export class GlobalAutoNumberMigrationTool extends BaseMigrationTool implements
       await super.truncate(this.namespacePrefix + GlobalAutoNumberMigrationTool.GLOBAL_AUTO_NUMBER_SETTING_NAME);
       Logger.logVerbose(this.messages.getMessage('postMigrationCleanupCompleted'));
       // Enable the org preference after successful cleanup
-      const result = await this.prefManager.enableGlobalAutoNumber();
+      let result = await this.prefManager.enableGlobalAutoNumber();
+      // Metadata API returns an array of results, even for single updates
+      result = Array.isArray(result) && result.length > 0 ? result[0] : result;
       if (result?.success) {
         Logger.logVerbose(this.messages.getMessage('omniGlobalAutoNumberPrefEnabled'));
         return '';
       } else {
         const errorMessage = this.messages.getMessage('errorEnablingOmniGlobalAutoNumberPref');
         Logger.error(errorMessage);
-        Logger.error(result?.errors?.message);
+        Logger.error(result?.errors?.message || JSON.stringify(result?.errors));
         return errorMessage;
       }
     } catch (error) {
diff --git a/src/migration/postMigrate.ts b/src/migration/postMigrate.ts
index de980ce4..fe27914a 100644
--- a/src/migration/postMigrate.ts
+++ b/src/migration/postMigrate.ts
@@ -114,8 +114,9 @@ export class PostMigrate extends BaseMigrationTool {
     try {
       Logger.logVerbose(this.messages.getMessage('checkingStandardRuntimeStatus'));
 
-      const result = await this.settingsPrefManager.enableStandardRuntimeIfDisabled();
-
+      let result = await this.settingsPrefManager.enableStandardRuntimeIfDisabled();
+      // Metadata API returns an array of results, even for single updates
+      result = Array.isArray(result) && result.length > 0 ? result[0] : result;
       if (result === null) {
         Logger.logVerbose(this.messages.getMessage('standardRuntimeAlreadyEnabled'));
       } else if (result?.success === true) {
@@ -134,7 +135,9 @@ export class PostMigrate extends BaseMigrationTool {
 
   private async enableOmniStudioSettingsMetadataIfNeeded(userActionMessage: string[]): Promise<void> {
     try {
-      const result = await this.settingsPrefManager.enableOmniStudioSettingsMetadata();
+      let result = await this.settingsPrefManager.enableOmniStudioSettingsMetadata();
+      // Metadata API returns an array of results, even for single updates
+      result = Array.isArray(result) && result.length > 0 ? result[0] : result;
       if (result === null) {
         Logger.logVerbose(this.messages.getMessage('omniStudioSettingsMetadataAlreadyEnabled'));
       } else if (result?.success === true) {