Flow price: --
724a0fbefc0c5ba4d262cbe1d634e76da0618829c454d8e4bb4009ee8f8d5cf3

Transaction

Hash: 724a0fbefc0c5ba4d262cbe1d634e76da0618829c454d8e4bb4009ee8f8d5cf3
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 724a0fbefc0c5ba4d262cbe1d634e76da0618829c454d8e4bb4009ee8f8d5cf3:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
724a0fbefc0c5ba4d262cbe1d634e76da0618829c454d8e4bb4009ee8f8d5cf3
Status:
ERROR
Block height:
39996528
Block id:
63d14fa4b324ee02fb319b575963661d2121ff33033c17df5e6ea74c66d9fbf7
Timestamp:
Sunday 30 October 2022 at 16:22:33 UTC
()
Proposer:
Authorizers:
Gas used:
47