Flow price: --
977b3ac2fbee1cd4fc90c9235d6549a07adac1e4be3bf5a478e133a11cf325f6

Transaction

Hash: 977b3ac2fbee1cd4fc90c9235d6549a07adac1e4be3bf5a478e133a11cf325f6
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 977b3ac2fbee1cd4fc90c9235d6549a07adac1e4be3bf5a478e133a11cf325f6:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
977b3ac2fbee1cd4fc90c9235d6549a07adac1e4be3bf5a478e133a11cf325f6
Status:
ERROR
Block height:
40079286
Block id:
92d5bd2974d34bb1e752a502e58d3520cad91c34b55023d49d7282ab315723eb
Timestamp:
Tuesday 1 November 2022 at 01:30:20 UTC
()
Proposer:
Authorizers:
Gas used:
46