Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 92275afce353c945c071911141b20470766361a81851b6be3373b1c841e7564c:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^