Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> f06f12f4c969c6cb5f4a226fbcb369afcdc2d4fa1717d8feed59066e806bd5ca:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^