Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0815a7e471aeeb0ba28830dc5d3610dea7b5070332bb8c132b2c4cd353f49e64:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^