Flow price: --
2a1a86e2e5f2609f5d7a342997b36a1893ad5c5d6eccc8178519f92ada653811

Transaction

Hash: 2a1a86e2e5f2609f5d7a342997b36a1893ad5c5d6eccc8178519f92ada653811
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2a1a86e2e5f2609f5d7a342997b36a1893ad5c5d6eccc8178519f92ada653811:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
2a1a86e2e5f2609f5d7a342997b36a1893ad5c5d6eccc8178519f92ada653811
Status:
ERROR
Block height:
40044472
Block id:
5ec64b402e3cd469720b97555cc2ab4d26c197ca91ffe2393ee635c1b07d74ee
Timestamp:
Monday 31 October 2022 at 11:32:28 UTC
()
Proposer:
Authorizers:
Gas used:
50