Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> bb7ae8dd4893b339e616fcb36ecfb45a8c8f9aa68022b4827b27411cbc779bc1:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^