mscorlib error : mscorlib: Invalid length for a Base-64 char array or string. · Issue #9869 · MicrosoftDocs/azure-docs · GitHub
System.FormatException: Invalid length for a Base-64 char array or string · Issue #12 · NotSoSecure/Blacklist3r · GitHub
![Invalid length for a Base-64 char array" error after logging onto FAP client, triggered by using old FAP client Invalid length for a Base-64 char array" error after logging onto FAP client, triggered by using old FAP client](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/9878e0991e5a35d98525813f005d07fa/Symptom/0.84.gif)
Invalid length for a Base-64 char array" error after logging onto FAP client, triggered by using old FAP client
![Error message: "Unexpected exception applying installer: Invalid length for a Base-64 char array" (4345502) Error message: "Unexpected exception applying installer: Invalid length for a Base-64 char array" (4345502)](https://prod-support-images-cfm.s3.amazonaws.com/KB_1-DA0VL6_error%20(6).png)
Error message: "Unexpected exception applying installer: Invalid length for a Base-64 char array" (4345502)
![android - Bitmap to base64 encoding is not working. Broken image.Also, error 'Invalid length for a Base-64 char array or string' is thrown from server - Stack Overflow android - Bitmap to base64 encoding is not working. Broken image.Also, error 'Invalid length for a Base-64 char array or string' is thrown from server - Stack Overflow](https://i.stack.imgur.com/EntGt.png)
android - Bitmap to base64 encoding is not working. Broken image.Also, error 'Invalid length for a Base-64 char array or string' is thrown from server - Stack Overflow
![asp.net - Invalid length for a Base-64 char array at System.Web.UI.HiddenFieldPageStatePersister.Load() - Stack Overflow asp.net - Invalid length for a Base-64 char array at System.Web.UI.HiddenFieldPageStatePersister.Load() - Stack Overflow](https://i.stack.imgur.com/2XmPG.png)
asp.net - Invalid length for a Base-64 char array at System.Web.UI.HiddenFieldPageStatePersister.Load() - Stack Overflow
![Invalid length for a Base-64 char array" error after logging onto FAP client, triggered by using old FAP client Invalid length for a Base-64 char array" error after logging onto FAP client, triggered by using old FAP client](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/9878e0991e5a35d98525813f005d07fa/Symptom/0.653C.gif)
Invalid length for a Base-64 char array" error after logging onto FAP client, triggered by using old FAP client
Welcome to Azure Functions and App Services Blog!: Azure Functions: Invalid Length for a Base-64 char array or string
![Set-LicenseEnvironmentVariable.ps1 doesn't work properly · Issue #149 · Sitecore/docker-images · GitHub Set-LicenseEnvironmentVariable.ps1 doesn't work properly · Issue #149 · Sitecore/docker-images · GitHub](https://user-images.githubusercontent.com/647813/69918686-ded21980-147d-11ea-8c41-5476277eb178.png)