Flow price: --
cb94a561812a6028cad9f2fcd96cc2b2e5e67380fda8571c5c865e5fada0452b

Transaction

Hash: cb94a561812a6028cad9f2fcd96cc2b2e5e67380fda8571c5c865e5fada0452b
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> cb94a561812a6028cad9f2fcd96cc2b2e5e67380fda8571c5c865e5fada0452b: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:
cb94a561812a6028cad9f2fcd96cc2b2e5e67380fda8571c5c865e5fada0452b
Status:
ERROR
Block height:
39899751
Block id:
48f5803b93039f10a4e96b3901bc2c1462fd3e42adaa180179e924703493d813
Timestamp:
Saturday 29 October 2022 at 01:40:10 UTC
()
Proposer:
Authorizers:
Gas used:
46