Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 58aad187103e31f2a3f271b97bb47eaac92aad69ae862eaab2f602062d2cdcdb:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^