Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6329bcb44a7e0edcf1dce354e2417eb66b8157831ca405f825203c291658d0b6:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^