Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 91d5c6e388a2dc7c5f0d8d1cbecbb5882c03263eadc6353bc6039ba22176b365:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^