Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c0360ba63fbf8ebed02c0afad2ebb0739efd547e8bf792ece7e94fe115880c94:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^