Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3bead8c0044cfa3af187227f2e68fbf30cdeee62fa3df8cb4ac3d44cee5d6e6f:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^