"primaryKey" instead of "pk", see #3 (comment).

kim-dongit · kim-dongit · commit 4b6348a8a260 · 2019-04-18T16:26:54.000+02:00
diff --git a/src/TwoFactorAuth.php b/src/TwoFactorAuth.php
@@ -39,6 +39,6 @@ class TwoFactorAuth extends Model
      */
     public function user() : BelongsTo
     {
-        return $this->belongsTo(\App\User::class, config('twofactor-auth.models.user.pk', 'id'));
+        return $this->belongsTo(\App\User::class, config('twofactor-auth.models.user.primaryKey', 'id'));
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -39,6 +39,6 @@ class TwoFactorAuth extends Model`
`39`	`39`	`*/`
`40`	`40`	`public function user() : BelongsTo`
`41`	`41`	`{`
`42`		`- return $this->belongsTo(\App\User::class, config('twofactor-auth.models.user.pk', 'id'));`
	`42`	`+ return $this->belongsTo(\App\User::class, config('twofactor-auth.models.user.primaryKey', 'id'));`
`43`	`43`	`}`
`44`	`44`	`}`