Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c30999cf2d8f31edc6b275af041a8ab6c782d17a863c11e8036349da6518d2b0:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^