Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 66878e4dc06de31933489b89f6baf821039d57a7ae2d0e833bdfa169f110a57b:14:32
   |
14 |                                 let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^