Flow price: --
b610473f3fc7a6131bfb0021e711ac6b894bece268b739f92e4c926f97414c13

Transaction

Hash: b610473f3fc7a6131bfb0021e711ac6b894bece268b739f92e4c926f97414c13
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b610473f3fc7a6131bfb0021e711ac6b894bece268b739f92e4c926f97414c13:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b610473f3fc7a6131bfb0021e711ac6b894bece268b739f92e4c926f97414c13
Status:
ERROR
Block height:
39874614
Block id:
576384872cf4d361308d40726364de350cf5da035a0d19a1e5ed38fedc2dd7fa
Timestamp:
Friday 28 October 2022 at 15:40:41 UTC
()
Proposer:
Authorizers:
Gas used:
52