Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 83e12e428b3cc63014394158c2fcd315d0c1d582a639722a96a7924aac997be8:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^