Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fb9fc33a273ab726b091535cc4baddd3454a61c39f2d2089e6b94f7ace19bf18:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^