diff --git a/src/features/auth/data/GitHubInstallationAccessTokenDataSource.ts b/src/features/auth/data/GitHubInstallationAccessTokenDataSource.ts
index 7a958619..b82c2112 100644
--- a/src/features/auth/data/GitHubInstallationAccessTokenDataSource.ts
+++ b/src/features/auth/data/GitHubInstallationAccessTokenDataSource.ts
@@ -17,6 +17,9 @@ export default class GitHubInstallationAccessTokenRefresher {
   }
   
   async getAccessToken(repositoryNames: string[]): Promise<string> {
+    if (repositoryNames.length == 0) {
+      throw new Error("Must provide at least one repository name when creating a GitHub installation access token.")
+    }
     const auth = createAppAuth({
       appId: this.config.appId,
       clientId: this.config.clientId,
diff --git a/src/features/auth/domain/repositoryAccess/CachingRepositoryAccessReaderConfig.ts b/src/features/auth/domain/repositoryAccess/CachingRepositoryAccessReader.ts
similarity index 100%
rename from src/features/auth/domain/repositoryAccess/CachingRepositoryAccessReaderConfig.ts
rename to src/features/auth/domain/repositoryAccess/CachingRepositoryAccessReader.ts
diff --git a/src/features/auth/domain/repositoryAccess/index.ts b/src/features/auth/domain/repositoryAccess/index.ts
index 6ab0a1d6..1224c7b8 100644
--- a/src/features/auth/domain/repositoryAccess/index.ts
+++ b/src/features/auth/domain/repositoryAccess/index.ts
@@ -1,2 +1,2 @@
-export { default as CachingRepositoryAccessReader } from "./CachingRepositoryAccessReaderConfig"
+export { default as CachingRepositoryAccessReader } from "./CachingRepositoryAccessReader"
 export { default as RepositoryRestrictingAccessTokenDataSource } from "./RepositoryRestrictingAccessTokenDataSource"
diff --git a/src/features/auth/view/client/GuestAccessTokenInvalidPage.tsx b/src/features/auth/view/client/GuestAccessTokenInvalidPage.tsx
index 4293c9ef..1de0ce12 100644
--- a/src/features/auth/view/client/GuestAccessTokenInvalidPage.tsx
+++ b/src/features/auth/view/client/GuestAccessTokenInvalidPage.tsx
@@ -10,7 +10,6 @@ export default function GuestAccessTokenInvalidPage({
   organizationName: string
 }) {
   const {repositories, isLoading, error} = useRepositoryAccess()
-  const title = "Could not obtain access"
   if (isLoading) {
     return (
       <InvalidSessionPage>
@@ -20,15 +19,22 @@ export default function GuestAccessTokenInvalidPage({
   }
   if (error) {
     return (
-      <InvalidSessionPage title={title}>
+      <InvalidSessionPage title="Could not obtain access">
         It was not possible to obtain access to the projects on the <strong>{organizationName}</strong> organization on GitHub.
       </InvalidSessionPage>
     )
   }
+  if (repositories.length == 0) {
+    return (
+      <InvalidSessionPage title="No projects">
+        Your account does not have access to any projects.
+      </InvalidSessionPage>
+    )
+  }
   const repositoryNamesHTML = makeRepositoryNamesHTML(repositories)
   const html = `It was not possible to obtain access to all the projects: ${repositoryNamesHTML}.`
   return (
-    <InvalidSessionPage title={title}>
+    <InvalidSessionPage title="Could not obtain access">
       <div dangerouslySetInnerHTML={{ __html: html }} />
     </InvalidSessionPage>
   )