Flow price: --
bd6e732c2b13d1bd4e7b7e1631e29e2589d7b8ba407c61a2220accc266ebad64

Transaction

Hash: bd6e732c2b13d1bd4e7b7e1631e29e2589d7b8ba407c61a2220accc266ebad64
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> bd6e732c2b13d1bd4e7b7e1631e29e2589d7b8ba407c61a2220accc266ebad64:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
bd6e732c2b13d1bd4e7b7e1631e29e2589d7b8ba407c61a2220accc266ebad64
Status:
ERROR
Block height:
40021853
Block id:
761cd2f4b1905e2cebd1c1e2ec3952e29439363cb7152b54b66538920ac44010
Timestamp:
Monday 31 October 2022 at 02:26:42 UTC
()
Proposer:
Authorizers:
Gas used:
49