Display required level in "Not permitted" error message ##2548

classes/module/ModuleObject.class.php

@@ -476,9 +476,17 @@ class ModuleObject extends BaseObject
 		{
 			return 'msg_administrator_only';
 		}
-		elseif (is_array($failed_requirement))
+		elseif (is_array($failed_requirement) && count($failed_requirement))
 		{
-			return 'msg_required_specific_group';
+			if (class_exists('PointModel'))
+			{
+				$min_level = PointModel::getMinimumLevelForGroup($failed_requirement);
+				if ($min_level)
+				{
+					return sprintf(lang('member.msg_required_minimum_level'), $min_level);
+				}
+			}
+			return 'member.msg_required_specific_group';
 		}
 		else
 		{

modules/point/point.model.php

@@ -117,6 +117,39 @@ class PointModel extends Point
 		return $level - 1;
 	}
 
+	/**
+	 * Get the minimum level required to belong in group(s)
+	 *
+	 * @param int|array $group_srl
+	 * @return ?int
+	 */
+	public static function getMinimumLevelForGroup($group_srl): ?int
+	{
+		if (!is_array($group_srl))
+		{
+			$group_srl = [$group_srl];
+		}
+
+		$min_level = null;
+		$config = self::getConfig();
+		foreach ($config->point_group ?? [] as $group => $required_level)
+		{
+			if (in_array($group, $group_srl))
+			{
+				if ($min_level === null)
+				{
+					$min_level = $required_level;
+				}
+				else
+				{
+					$min_level = min($min_level, $required_level);
+				}
+			}
+		}
+
+		return $min_level;
+	}
+
 	/**
 	 * @deprecated
 	 */