Flow price: --
a153d4bf77361e707401a88aedfe5a330f4d425fbe0e6a269d12172a1e1c1a41

Transaction

Hash: a153d4bf77361e707401a88aedfe5a330f4d425fbe0e6a269d12172a1e1c1a41
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> a153d4bf77361e707401a88aedfe5a330f4d425fbe0e6a269d12172a1e1c1a41:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
a153d4bf77361e707401a88aedfe5a330f4d425fbe0e6a269d12172a1e1c1a41
Status:
ERROR
Block height:
39850479
Block id:
418bdbcdccb5b54cae4bf62424a214d3eef9b5e4051c5eaeaf2c9c0fec5e06d1
Timestamp:
Friday 28 October 2022 at 05:57:12 UTC
()
Proposer:
Authorizers:
Gas used:
46