Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 8e10319879f6f206cee2de6118ba440a698e90420956e05ecef3016760499cb9:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^