Flow price: --
2be42a71f4d5b3baf7952f48fd40f2f22eae73684e2c48b08178b6ffe727858d

Transaction

Hash: 2be42a71f4d5b3baf7952f48fd40f2f22eae73684e2c48b08178b6ffe727858d
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 2be42a71f4d5b3baf7952f48fd40f2f22eae73684e2c48b08178b6ffe727858d: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:
2be42a71f4d5b3baf7952f48fd40f2f22eae73684e2c48b08178b6ffe727858d
Status:
ERROR
Block height:
40083648
Block id:
91e92030352329751f829d6f2c704ec069b0f461078372acc8b5a0a3b2925212
Timestamp:
Tuesday 1 November 2022 at 03:16:11 UTC
()
Proposer:
Authorizers:
Gas used:
47