Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 7a2ab62118aa699e167e8d66c892f41a998e9c6199e9d2a508d06b2f3d206ad5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^