Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 1bd4aaa79b5736a560af9fce6c61024eb3d1e3868f7735420baa18d96595c5fe:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^