Flow price: --
4b1993253f16a149456e1f165ad4c59138d9b7d3bbf83aa83ff5a8f41677ac4c

Transaction

Hash: 4b1993253f16a149456e1f165ad4c59138d9b7d3bbf83aa83ff5a8f41677ac4c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 4b1993253f16a149456e1f165ad4c59138d9b7d3bbf83aa83ff5a8f41677ac4c: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:
4b1993253f16a149456e1f165ad4c59138d9b7d3bbf83aa83ff5a8f41677ac4c
Status:
ERROR
Block height:
39976840
Block id:
851e91b224b6aecbfbd60239a9300975ae666763a50b20e529f1588511c45eac
Timestamp:
Sunday 30 October 2022 at 08:30:06 UTC
()
Proposer:
Authorizers:
Gas used:
49