Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 3498345fa2c6541c6e2dd209b3d1c42e7eaeb7f70558ad15222040b623eb344c:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^