Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c31066e9aaf95e954cdbd6de9db37ccd693d4fe0104f62555d57c98fbc2663cf:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^