Flow price: --
ad1205c4c2ee8e21145567ab0f0004ada960edf78d8aabc11ac177fb22044719

Transaction

Hash: ad1205c4c2ee8e21145567ab0f0004ada960edf78d8aabc11ac177fb22044719
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> ad1205c4c2ee8e21145567ab0f0004ada960edf78d8aabc11ac177fb22044719:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
ad1205c4c2ee8e21145567ab0f0004ada960edf78d8aabc11ac177fb22044719
Status:
ERROR
Block height:
39934633
Block id:
63bb430c3113fc63ab520db55c4232bacbc80699bec00745ea1574af79afcf1f
Timestamp:
Saturday 29 October 2022 at 15:41:42 UTC
()
Proposer:
Authorizers:
Gas used:
46