2d3ee94e3dad4b4e288089a7b3f71c2b *dtb2001-11-24d1t1.shn 573fbfd62e74af8d3c200d0820938cad *dtb2001-11-24d1t2.shn d768286506c89e7a2f0683d79e20d8c6 *dtb2001-11-24d1t3.shn 496d407cb302af67428d3d2fd53214e0 *dtb2001-11-24d1t4.shn eb548c5741f4c3bbc40fc853e129445e *dtb2001-11-24d1t5.shn 0a737b57dec154c5bdf100bf1c740121 *dtb2001-11-24d1t6.shn d29d1a87ac5f12d8633acff5efbdbb45 *dtb2001-11-24d1t7.shn App\Http\Controllers\Api\ChecksumDownloadController::download(): Return value must be of type string, none returned