Flow price: --
30cdc641d7b5f4e2c6e0b6b2c17f8c74ed347a11d1e21b1712f378d2ee09372b

Transaction

Hash: 30cdc641d7b5f4e2c6e0b6b2c17f8c74ed347a11d1e21b1712f378d2ee09372b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 30cdc641d7b5f4e2c6e0b6b2c17f8c74ed347a11d1e21b1712f378d2ee09372b: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:
30cdc641d7b5f4e2c6e0b6b2c17f8c74ed347a11d1e21b1712f378d2ee09372b
Status:
ERROR
Block height:
39869243
Block id:
2916991115e69530cec8ca477551d7b3c31edb99922bc94b0bc2c2a253429a0a
Timestamp:
Friday 28 October 2022 at 13:31:29 UTC
()
Proposer:
Authorizers:
Gas used:
51