Flow price: --
70680d499e7a1e1fe90e25a82f65ac2c4f3d320a5bdc87aa253b918640de6e40

Transaction

Hash: 70680d499e7a1e1fe90e25a82f65ac2c4f3d320a5bdc87aa253b918640de6e40
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 70680d499e7a1e1fe90e25a82f65ac2c4f3d320a5bdc87aa253b918640de6e40:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
70680d499e7a1e1fe90e25a82f65ac2c4f3d320a5bdc87aa253b918640de6e40
Status:
ERROR
Block height:
40161871
Block id:
9b064f47439f2af79baa7608beb38ef750a27c481f6a73ea5bd09a10dfb84b15
Timestamp:
Wednesday 2 November 2022 at 11:03:56 UTC
()
Proposer:
Authorizers:
Gas used:
47