diff --git a/web/utils/validators.ts b/web/utils/validators.ts
index 51b47feddf..79d1bdc274 100644
--- a/web/utils/validators.ts
+++ b/web/utils/validators.ts
@@ -1,11 +1,21 @@
-import type { Schema } from 'jsonschema'
+import type { Schema, ValidationError, ValidatorResult } from 'jsonschema'
 import { Validator } from 'jsonschema'
 import draft07Schema from './draft-07.json'
 
 const validator = new Validator()
 
-export const draft07Validator = (schema: any) => {
-  return validator.validate(schema, draft07Schema as unknown as Schema)
+type Draft07ValidationResult = Pick<ValidatorResult, 'valid' | 'errors'>
+
+export const draft07Validator = (schema: any): Draft07ValidationResult => {
+  try {
+    return validator.validate(schema, draft07Schema as unknown as Schema)
+  }
+  catch {
+    // The jsonschema library may throw URL errors in browser environments
+    // when resolving schema $id URIs. Return empty errors since structural
+    // validation is handled separately by preValidateSchema (#34841).
+    return { valid: true, errors: [] as ValidationError[] }
+  }
 }
 
 export const forbidBooleanProperties = (schema: any, path: string[] = []): string[] => {