Flow price: --
587318cc2f33a9f5650ad05efc7ca48e49f99f23581e40298476099bf148a22c

Transaction

Hash: 587318cc2f33a9f5650ad05efc7ca48e49f99f23581e40298476099bf148a22c
error
Error

Whoops! 😨 Something unexpected happened...

[Error Code: 1101] cadence runtime error Execution failed:
  --> 587318cc2f33a9f5650ad05efc7ca48e49f99f23581e40298476099bf148a22c: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:
587318cc2f33a9f5650ad05efc7ca48e49f99f23581e40298476099bf148a22c
Status:
ERROR
Block height:
39935137
Block id:
744201a6e01314a46e79d4b2106b4251682d13984e7d8615fe16b60d6421fc44
Timestamp:
Saturday 29 October 2022 at 15:54:11 UTC
()
Proposer:
Authorizers:
Gas used:
45