Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 904b3582875a8b7a9221440145fc43fc6b685f498af4ad758be31fb918418cf5:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^