Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0db94c5818da653cffeb36eca549f1850a0584f206589f12b1b904f6fffe21fb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^