i am trying to use technology viewer in quartus 19.4 after completing synthesis.
but i am getting this error. please can anyone suggest a fix or help me understand what is going on.
Internal Error: Sub-system: NPP, File: /quartus/nlv/npp/npp_cmd.cpp, Line: 327
root_comp != 0
0x448b: NPP_FRAMEWORK::write_databases + 0xfb (quartus_npp)
0x13ccc: qexe_do_normal + 0x2fc (comp_qexe)
0x1a1ef: qexe_run + 0x4df (comp_qexe)
0x1b28a: qexe_standard_main + 0x26a (comp_qexe)
0x3be6: npp_main + 0x96 (quartus_npp)
0x149b8: msg_main_thread + 0x18 (CCL_MSG)
0x16061: msg_thread_wrapper + 0x71 (CCL_MSG)
0x20d90: mem_thread_wrapper + 0x70 (ccl_mem)
0x13f3d: msg_exe_main + 0x20d (CCL_MSG)
0x5a120: __scrt_common_main_seh + 0x11c (quartus_npp)
0x17973: BaseThreadInitThunk + 0x13 (KERNEL32)
0x6a270: RtlUserThreadStart + 0x20 (ntdll)
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