Found the following significant warnings:
  DataManagement.cpp:2037:50: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  DataManagement.cpp:4442:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  DataManagement.cpp:4454:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  DataManagement.cpp:4493:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  DataManagement.cpp:4506:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  DataManagement.cpp:4548:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  DataManagement.cpp:4558:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:166:36: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:294:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:6574:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:6585:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8421:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8441:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8473:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8493:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8525:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8545:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8585:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8592:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8824:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:8831:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9148:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9156:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9168:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9174:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9492:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9500:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9512:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9518:38: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:9532:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:17543:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:17550:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:17561:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:17567:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:17588:40: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  MatsNProj.cpp:18913:34: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  PopChar.cpp:839:32: warning: format string is not a string literal (potentially insecure) [-Wformat-security]
  PopChar.cpp:8029:88: warning: data argument not used by format string [-Wformat-extra-args]
See ‘/home/hornik/tmp/R.check/r-devel-clang/Work/PKGS/lefko3.Rcheck/00install.out’ for details.
* used C++ compiler: ‘Debian clang version 17.0.5 (1)’