diff --git a/theatre/core/src/projects/Project.ts b/theatre/core/src/projects/Project.ts
index 3013c6d..770b836 100644
--- a/theatre/core/src/projects/Project.ts
+++ b/theatre/core/src/projects/Project.ts
@@ -120,7 +120,8 @@ export default class Project {
               `while you are using @theatre/core along with @theatre/studio. But since @theatre/studio ` +
               `is not loaded, the state of project "${id}" will be empty.\n\n` +
               `To fix this, you need to add @theatre/studio into the bundle and export ` +
-              `the project's state. Learn how to do that at https://docs.theatrejs.com/in-depth/#exporting`,
+              `the project's state. Learn how to do that at https://docs.theatrejs.com/in-depth/#exporting\n` +
+              `If you are using a framework like Next.js, this error may be caused by running Theatre on the server side.`,
           )
         }
       }, 1000)
diff --git a/theatre/studio/src/Studio.ts b/theatre/studio/src/Studio.ts
index 088e747..42f991f 100644
--- a/theatre/studio/src/Studio.ts
+++ b/theatre/studio/src/Studio.ts
@@ -148,7 +148,7 @@ export class Studio {
 
     this._initializedDeferred.resolve()
 
-    if (process.env.NODE_ENV !== 'test') {
+    if (process.env.NODE_ENV !== 'test' && this.ui) {
       this.ui.render()
       checkForUpdates()
     }