Flow price: --
b0f69f1ac5cffb16bbe887e56cb2efd6d3a5d6ba63774cd444d31bbd1fa88961

Transaction

Hash: b0f69f1ac5cffb16bbe887e56cb2efd6d3a5d6ba63774cd444d31bbd1fa88961
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> b0f69f1ac5cffb16bbe887e56cb2efd6d3a5d6ba63774cd444d31bbd1fa88961:28:28
   |
28 |                             self.modifierRef.markAttendance(currentNFT: self.currentNFT, attendance: "true")    
   |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error: unexpectedly found nil while forcing an Optional value
   --> 1e3c78c6d580273b.LNVCT:295:34
Hash:
b0f69f1ac5cffb16bbe887e56cb2efd6d3a5d6ba63774cd444d31bbd1fa88961
Status:
ERROR
Block height:
39817378
Block id:
a04af8ce79a8c47dfb0ef3dd932e91f85c2dd63a015b210e70a0948be5aad1da
Timestamp:
Thursday 27 October 2022 at 16:36:11 UTC
()
Proposer:
Authorizers:
Gas used:
46