Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 620dba3d5ea9d94b52126a558edf32fd1b1e491ad96be5ddef02231bdaff37c7:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^