Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 63e2cdb1fe29f9ed8b2be8f10e3d0e4569a0137e13b2c02cdb29c6b81d1d2b8c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^