diff --git a/README.md b/README.md
index 3318bee..b6e6039 100644
--- a/README.md
+++ b/README.md
@@ -42,7 +42,34 @@ As "documentation" `flake.nix` shows the internals, and
 command was used to generate it.
 
 ### Troubleshooting
-An common error is:
+
+When running `deno task serve`, if you see an error message like:
+
+```
+NotFound: No such file or directory (os error 2): stat '/home/<user>/.../git.pub.solar/pub-solar/pub.solar/.direnv/flake-inputs/5acdh8xyry0kdvp6xla2hw7wf3zkphkl-source/pkgs/test/nixpkgs-check-by-name/tests/symlink-invalid/pkgs/by-name/fo/foo/foo.nix'
+    at Object.statSync (ext:deno_fs/30_fs.js:362:7)
+    at FS.#walkLink (https://deno.land/x/lume@v2.0.1/core/fs.ts:143:23)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:117:23)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:136:21)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:136:21)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:136:21)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:136:21)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:136:21)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:136:21)
+    at FS.#walkFs (https://deno.land/x/lume@v2.0.1/core/fs.ts:136:21) {
+  name: "NotFound",
+  code: "ENOENT"
+}
+```
+
+try removing the .direnv directory:
+
+```
+rm -rf .direnv
+deno task serve
+```
+
+Another common error message after updating dependencies is:
 
 ```
 22.31 error: The source code is invalid, as it does not match the expected hash in the lock file.