Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 6984ba0d658c637b2c8bfbc8028fd2f979494a6fe23e7d191d5163033a7562fe:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^