Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9b288104453c33506b4d3280838bec201a516f27fb9fbded5ce7a8079dba2c4d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^