Flow price: --
0cd1cbd71c6997e06449895be8270adcc715f510540fb78bd172e04b4d44907c

Transaction

Hash: 0cd1cbd71c6997e06449895be8270adcc715f510540fb78bd172e04b4d44907c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 0cd1cbd71c6997e06449895be8270adcc715f510540fb78bd172e04b4d44907c: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:
0cd1cbd71c6997e06449895be8270adcc715f510540fb78bd172e04b4d44907c
Status:
ERROR
Block height:
39830007
Block id:
0044bceafbc8e7cc7dc4fcfe06a0f930d1b528740ec9e3fdc8488def0fc568cd
Timestamp:
Thursday 27 October 2022 at 21:43:26 UTC
()
Proposer:
Authorizers:
Gas used:
49