Flow price: --
470f1c80d3b451ffb7e29645b40790504cdfd6d07140f274bc4fa4b58463e590

Transaction

Hash: 470f1c80d3b451ffb7e29645b40790504cdfd6d07140f274bc4fa4b58463e590
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 470f1c80d3b451ffb7e29645b40790504cdfd6d07140f274bc4fa4b58463e590:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
470f1c80d3b451ffb7e29645b40790504cdfd6d07140f274bc4fa4b58463e590
Status:
ERROR
Block height:
40054007
Block id:
9e7cebe8ee3c1cc86d3495469271192084ca5e1025a5976deb6e71cdd8ddc738
Timestamp:
Monday 31 October 2022 at 15:23:27 UTC
()
Proposer:
Authorizers:
Gas used:
46