Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 4aaae6142a56e4c0f464b4b26efd3f0f7e7cf5c70814cb9cadc0046c1b8ecdc2:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^