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Fatal error: Uncaught TypeError: imagejpeg(): Argument #1 ($image) must be of type GdImage, false given in /home/u523671769/domains/lda.ar/public_html/concursos/php/lda_2025/certs/diplomar_on_demand_concurso.php:269 Stack trace: #0 /home/u523671769/domains/lda.ar/public_html/concursos/php/lda_2025/certs/diplomar_on_demand_concurso.php(269): imagejpeg() #1 /home/u523671769/domains/lda.ar/public_html/concursos/php/lda_2025/certs/diplomar_on_demand_concurso.php(53): hacerlo() #2 {main} thrown in /home/u523671769/domains/lda.ar/public_html/concursos/php/lda_2025/certs/diplomar_on_demand_concurso.php on line 269