Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 781dac6cbd536f067fb582ebc68bdae3bd7261984f0a7ce7a90491ca9089a13b:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^