Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> c4a546f5e1e80b779ccb2ff22001796fe1138d5c5466e455f9f0a2fc3de0d133:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^