Flow price: --
b17dd35677746976f0728a7c5e29c0fb6438c22956e9ccb9ed4a68b4f206c2e0

Transaction

Hash: b17dd35677746976f0728a7c5e29c0fb6438c22956e9ccb9ed4a68b4f206c2e0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b17dd35677746976f0728a7c5e29c0fb6438c22956e9ccb9ed4a68b4f206c2e0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b17dd35677746976f0728a7c5e29c0fb6438c22956e9ccb9ed4a68b4f206c2e0
Status:
ERROR
Block height:
40036913
Block id:
53b3c06d2f3e2161dce852f67c1fb92cb32a2da87919ca74a7b826b81f5bb74b
Timestamp:
Monday 31 October 2022 at 08:29:11 UTC
()
Proposer:
Authorizers:
Gas used:
47