Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 0b15699b521e6e4b7a887353de1a13f46613becd24c60cf54cf1c587d63ec8bf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^