Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> ea83f314acd3b7808c71ccd6ec7abda655177f78a9da8ad12b17daf804ad9e60:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^