Flow price: --
c0d55e7634a8088882b324b94a01449cda2becaafbff7d3a6153fcdc0394d070

Transaction

Hash: c0d55e7634a8088882b324b94a01449cda2becaafbff7d3a6153fcdc0394d070
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c0d55e7634a8088882b324b94a01449cda2becaafbff7d3a6153fcdc0394d070:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
c0d55e7634a8088882b324b94a01449cda2becaafbff7d3a6153fcdc0394d070
Status:
ERROR
Block height:
39872137
Block id:
ba4440d41cf028b48dd6d051ce3d36b789ecd66ecde2e4d9b7d25a2bf3fbb6b6
Timestamp:
Friday 28 October 2022 at 14:41:10 UTC
()
Proposer:
Authorizers:
Gas used:
46