Flow price: --
78897188412dd6573b7952f8570bf376566e12cf0cca5d624e3581a90368a8b0

Transaction

Hash: 78897188412dd6573b7952f8570bf376566e12cf0cca5d624e3581a90368a8b0
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 78897188412dd6573b7952f8570bf376566e12cf0cca5d624e3581a90368a8b0:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
78897188412dd6573b7952f8570bf376566e12cf0cca5d624e3581a90368a8b0
Status:
ERROR
Block height:
40061874
Block id:
66ab711b14d02ef6f424fbe879e2c8c4ad66fed32fcc793121e72ce84a770485
Timestamp:
Monday 31 October 2022 at 18:34:45 UTC
()
Proposer:
Authorizers:
Gas used:
48