Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> aa49b70b409d0d439f1eb926ba23a72c7d24c8c678c544d928031c8e52bdfc59:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^