Flow price: --
a730aebf5fb65c67c39c08cf2f9e8547a53374328d17240f94d173e65c9e06c2

Transaction

Hash: a730aebf5fb65c67c39c08cf2f9e8547a53374328d17240f94d173e65c9e06c2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a730aebf5fb65c67c39c08cf2f9e8547a53374328d17240f94d173e65c9e06c2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a730aebf5fb65c67c39c08cf2f9e8547a53374328d17240f94d173e65c9e06c2
Status:
ERROR
Block height:
40139492
Block id:
8d377ca11b7c56cd81ab73d08ca5e3beb31fae3cd0e850ddaa719c95ef34a35e
Timestamp:
Wednesday 2 November 2022 at 01:58:22 UTC
()
Proposer:
Authorizers:
Gas used:
50