Flow price: --
26439c5eccf0c4d7a2fa2d7a9a798022f7d78ac2cf19e587ffae10e5a0f26af2

Transaction

Hash: 26439c5eccf0c4d7a2fa2d7a9a798022f7d78ac2cf19e587ffae10e5a0f26af2
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 26439c5eccf0c4d7a2fa2d7a9a798022f7d78ac2cf19e587ffae10e5a0f26af2:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
26439c5eccf0c4d7a2fa2d7a9a798022f7d78ac2cf19e587ffae10e5a0f26af2
Status:
ERROR
Block height:
39958758
Block id:
0c6cbbbe158a44d9fce2285856cff165e4f85aac3ed99acb1b7ceda9dc48477b
Timestamp:
Sunday 30 October 2022 at 01:16:20 UTC
()
Proposer:
Authorizers:
Gas used:
50