Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 18313f8335b0eec281f1ddc8e4e542821bbbce70febd9650c8cd5790ed57ddd5:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^