Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1e1a2ced2c97f1a9ec541a6adc2979440318981e8bcd5d1bd881f5013dec85a3:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^