Flow price: --
d7f8415db5d15fde93bd42a5bae8b3485854c96c5bad771e2ebd9c2164f98eff

Transaction

Hash: d7f8415db5d15fde93bd42a5bae8b3485854c96c5bad771e2ebd9c2164f98eff
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> d7f8415db5d15fde93bd42a5bae8b3485854c96c5bad771e2ebd9c2164f98eff: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:
d7f8415db5d15fde93bd42a5bae8b3485854c96c5bad771e2ebd9c2164f98eff
Status:
ERROR
Block height:
40133583
Block id:
7f9ae415aa59107299f8fd1d132e80efdd21891071850575353888af065ca61b
Timestamp:
Tuesday 1 November 2022 at 23:34:40 UTC
()
Proposer:
Authorizers:
Gas used:
47