Flow price: --
56009566d824f5d76a4fd147b193afa47f8c709c7b0352c53b7aad3ccc580583

Transaction

Hash: 56009566d824f5d76a4fd147b193afa47f8c709c7b0352c53b7aad3ccc580583
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 56009566d824f5d76a4fd147b193afa47f8c709c7b0352c53b7aad3ccc580583:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
56009566d824f5d76a4fd147b193afa47f8c709c7b0352c53b7aad3ccc580583
Status:
ERROR
Block height:
39910764
Block id:
423ff84aa7e43c63b71172116e389a25cd15d1c45628421cf80faf84016a7109
Timestamp:
Saturday 29 October 2022 at 06:04:13 UTC
()
Proposer:
Authorizers:
Gas used:
47