Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 02d38d8f5dd9338b610898a0ace89e8067ae45214007d9c66ef3e23dea1d3ff1:13:8
   |
13 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^