Due to a problem in Intel® Quartus® Prime Pro Edition Software version 21.3 and earlier, you may see intermittent partial reconfiguration failure on Intel Agilex® 7 devices.
A patch is available to fix this problem for the Intel® Quartus® Prime Pro Edition Software version 21.3. Download and install patch 0.17fw from the following links:
Intel® Quartus® Prime Pro Edition Software v21.3 Patch 0.17fw for Linux (.run)
Intel® Quartus® Prime Pro Edition Software v21.3 Patch 0.17fw for windows (.exe)
Readme for Intel® Quartus® Prime Pro Edition Software v21.3 Patch 0.17fw (.txt)
This problem is fixed starting with the Intel® Quartus® Prime Pro Edition Software version 21.4.