Syncfusion Trial License Key Fix __exclusive__ -

: Ensure that the license key version exactly matches the version of the Syncfusion NuGet packages or npm packages you have installed. If you upgrade your packages, you must generate and register a new key for that specific version.

| Issue | Fix | |-------|-----| | “License key is invalid” | Re-copy key from account (no extra spaces). Ensure no line breaks. | | Still showing trial popup | Place registration any Syncfusion control is created/loaded. | | Expired immediately | Trial keys last 30 days . Generate a new trial key. | | NuGet package mismatch | Use latest NuGet packages matching your trial key version. | | Multiple projects | Register key once in startup project (for .NET). | syncfusion trial license key fix