Flow price: --
c2c0074f2d6792765f06e7542159865c95b76a3499a28a7dfff9e54751f8e0bc

Transaction

Hash: c2c0074f2d6792765f06e7542159865c95b76a3499a28a7dfff9e54751f8e0bc
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> c2c0074f2d6792765f06e7542159865c95b76a3499a28a7dfff9e54751f8e0bc: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:
c2c0074f2d6792765f06e7542159865c95b76a3499a28a7dfff9e54751f8e0bc
Status:
ERROR
Block height:
40083368
Block id:
d0829372b13333654c3efcc5955c6ecead3332a676a844ee88001dfb81850201
Timestamp:
Tuesday 1 November 2022 at 03:09:20 UTC
()
Proposer:
Authorizers:
Gas used:
49