Flow price: --
5ab9bec53fa4f927d709a555edbf419633b1e4a9971ea3525dfe01a68f2fef96

Transaction

Hash: 5ab9bec53fa4f927d709a555edbf419633b1e4a9971ea3525dfe01a68f2fef96
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 5ab9bec53fa4f927d709a555edbf419633b1e4a9971ea3525dfe01a68f2fef96:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
5ab9bec53fa4f927d709a555edbf419633b1e4a9971ea3525dfe01a68f2fef96
Status:
ERROR
Block height:
40109743
Block id:
b1fe3b2c69b01b859844327fc278144593a34894739ecbf30638c59bf59426b2
Timestamp:
Tuesday 1 November 2022 at 13:51:32 UTC
()
Proposer:
Authorizers:
Gas used:
50