The “unexpected character encountered while parsing value” error in Bluebeam Revu usually indicates a problem with the data being imported or processed.
This often stems from incorrect formatting, such as invalid characters, missing or extra quotes, or other syntax errors in the data file, especially when importing from a CSV or other delimited format.
🛠️ Why It Happens
This error often occurs in these scenarios in Bluebeam:
| Situation | Cause |
|---|---|
| ⚙️ Bluebeam Plugin or Script | The plugin or custom tool is loading a JSON file with incorrect formatting. |
| 🔗 Integration/API | A third-party system (like SharePoint, Revu API, etc.) returns malformed JSON. |
| 📁 Import/Export Settings | If importing tool sets or markups from a .btx or .json file that has invalid characters. |
| 💾 Corrupted User Profile or Settings File | A Bluebeam config file (.json) has been corrupted or manually edited incorrectly. |
🔍 What the Error Might Look Like
This means:
Bluebeam expected to read a JSON value like
{or[but instead found something invalid — often HTML (<), XML, or plain text.
Also Read: How To Win OZ Lotto
✅ How to Fix It
1. Check the File Content
If you’re importing a .json or .btx file into Bluebeam:
Open the file in a plain text editor (e.g. Notepad++).
Make sure it starts with:
or with
[for arrays.Look for bad characters like:
HTML tags (
<html>)Control characters (weird symbols or NULLs)
Incorrect quotation marks (
“ ”vs")
2. Use Online JSON Validators
Paste the contents into https://jsonlint.com or similar to identify format errors.
3. Update or Reinstall Plugins/Integrations
If you’re using a Bluebeam plugin, make sure it’s up-to-date.
If this occurs during API communication, check the source data — it may not be returning valid JSON.
4. Reset/Reinstall Bluebeam Settings
You can reset user settings in Bluebeam Revu:
Close Bluebeam.
Navigate to:
Backup and delete (or rename) the folder (e.g.,
20,21, etc. depending on version).Reopen Revu – it will regenerate default settings.
🔚 Summary
Error: “Unexpected character encountered while parsing value”
Meaning: Bluebeam is trying to parse JSON but hits an invalid character, often due to a malformed file or API response.
Fix: Validate the file, check for format errors, update plugins, or reset user settings.
Be the first to comment