Flow price: --
b93a93f995ec3b2c182de0e43e60059af0b07234149b77a36618fdef9e53bccf

Transaction

Hash: b93a93f995ec3b2c182de0e43e60059af0b07234149b77a36618fdef9e53bccf
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b93a93f995ec3b2c182de0e43e60059af0b07234149b77a36618fdef9e53bccf: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:
b93a93f995ec3b2c182de0e43e60059af0b07234149b77a36618fdef9e53bccf
Status:
ERROR
Block height:
39863003
Block id:
0e62f16f25788c34a76382744d95ad6149eae537a72bb885cc6cc031b8767128
Timestamp:
Friday 28 October 2022 at 11:01:06 UTC
()
Proposer:
Authorizers:
Gas used:
49