diff --git a/ui/public/assets/schema/attribute/attribute.schema.json b/ui/public/assets/schema/attribute/attribute.schema.json
index 84590e08e..32fd0a7fc 100644
--- a/ui/public/assets/schema/attribute/attribute.schema.json
+++ b/ui/public/assets/schema/attribute/attribute.schema.json
@@ -81,7 +81,8 @@
                         "defaultValue": {
                             "title": "label.entity-attribute-default",
                             "description": "tooltip.entity-attribute-default",
-                            "type": "string"
+                            "type": "string",
+                            "maxLength": 255
                         }
                     }
                 },
@@ -95,7 +96,8 @@
                         "defaultValue": {
                             "title": "label.entity-attribute-default",
                             "description": "tooltip.entity-attribute-default",
-                            "type": "string"
+                            "type": "string",
+                            "maxLength": 255
                         }
                     }
                 },
@@ -127,7 +129,8 @@
                             "type": "string",
                             "title": "label.entity-attribute-persist-type",
                             "description": "tooltip.entity-attribute-persist-type",
-                            "default": "string"
+                            "default": "string",
+                            "maxLength": 255
                         },
                         "invert": {
                             "type": "boolean",
@@ -147,7 +150,8 @@
                             "title": "label.entity-attribute-default",
                             "description": "tooltip.entity-attribute-default",
                             "type": "string",
-                            "pattern": "^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$"
+                            "pattern": "^(R\\d*\\/)?P(?:\\d+(?:\\.\\d+)?Y)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?W)?(?:\\d+(?:\\.\\d+)?D)?(?:T(?:\\d+(?:\\.\\d+)?H)?(?:\\d+(?:\\.\\d+)?M)?(?:\\d+(?:\\.\\d+)?S)?)?$",
+                            "maxLength": 255
                         }
                     }
                 },
@@ -161,7 +165,8 @@
                         "defaultValue": {
                             "title": "label.entity-attribute-default",
                             "description": "tooltip.entity-attribute-default",
-                            "type": "string"
+                            "type": "string",
+                            "maxLength": 255
                         }
                     }
                 },
@@ -175,7 +180,8 @@
                         "defaultValue": {
                             "title": "label.entity-attribute-default",
                             "description": "tooltip.entity-attribute-default",
-                            "type": "string"
+                            "type": "string",
+                            "maxLength": 255
                         }
                     }
                 },
@@ -190,7 +196,8 @@
                             "title": "label.entity-attribute-default",
                             "description": "tooltip.entity-attribute-default",
                             "type": "string",
-                            "pattern": "^\\d+$"
+                            "pattern": "^\\d+$",
+                            "maxLength": 255
                         }
                     }
                 },
@@ -211,7 +218,8 @@
                                 "properties": {
                                     "value": {
                                         "type": "string",
-                                        "placeholder": "Option"
+                                        "placeholder": "Option",
+                                        "maxLength": 255
                                     },
                                     "default": {
                                         "type": "boolean",