Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 198e13df6c866989f245e28bfdd02e90b8165ba6f8d22a57841053e1360cf126:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^