Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> 9ecd001b47c714d2f6742ce866e8eca4d31d5bd0b5dddff200b51a2a533cd40d:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^