Fatal Error: Access Violation at 00007FFEACC49E5A

Description

Due to a problem in the Intel® Quartus® Prime Standard Edition Software version 21.1, you might see this error when adding finite state machine nodes in Signal Tap. 

Resolution

A patch is available to fix this problem for the Intel® Quartus® Prime Standard Edition Software version 21.1. Download and install the patch from the following links:

• Intel® Quartus® Prime Software v21.1 Patch 0.13std for Window (.exe)  
• Intel® Quartus® Prime Software v21.1 Patch 0.13std for Linux (.run) 
• Readme for Intel® Quartus® Prime Software v21.1 Patch 0.13std (.txt) 

This problem is fixed starting with the Intel® Quartus® Prime Standard Edition Software version 22.1.