Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 29a6d46d577d8490037867a4e6f2befe52daaeb5c6ae1649f5d9a8ef8505814f:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^