Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> cdc905dc25e31b5142a6b819f9fb8eb314f2c90e13bd0985b6555864d9ed4821:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^