Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> d8a291ae8fd79d499af7c3a97f017f86f247cbc28ccd93db50a0fcf87a167502:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^