Flow price: --
8bc433e6a4c6503219450899a7f6eb758271b48c1dc2ffb95af3b8741147879f

Transaction

Hash: 8bc433e6a4c6503219450899a7f6eb758271b48c1dc2ffb95af3b8741147879f
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 8bc433e6a4c6503219450899a7f6eb758271b48c1dc2ffb95af3b8741147879f: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:
8bc433e6a4c6503219450899a7f6eb758271b48c1dc2ffb95af3b8741147879f
Status:
ERROR
Block height:
39978513
Block id:
bfe02bc1348ebad24c9015a3d31f0ca1a39401a6b180dcab66ead187c7ce2853
Timestamp:
Sunday 30 October 2022 at 09:10:03 UTC
()
Proposer:
Authorizers:
Gas used:
49