Tak Mampu Bayar SPP dan Uang Perpisahan, Surat Kelulusan Siswa di Tebingtinggi Ditahan Sekolah

Fatal error: Uncaught TypeError: Unsupported operand types: string - int in /home/u398301689/domains/digtara.com/public_html/theme/detail.php:259 Stack trace: #0 /home/u398301689/domains/digtara.com/public_html/fungsi.php(112): include() #1 /home/u398301689/domains/digtara.com/public_html/index.php(3): load() #2 {main} thrown in /home/u398301689/domains/digtara.com/public_html/theme/detail.php on line 259