aws-lambda-power-tuning: Help deciphering error message

Running into a weird error message that I can’t decipher when trying to run the state machine, happens with any payload. Seems to originate from the utils.invokeLambdaWithProcessors function

{
  "errorType": "Error",
  "errorMessage": "Invocation error (running in series): 123,34,101,114,114,111,114,77,101,115,115,97,103,101,34,58,32,34,91,66,97,100,82,101,113,117,101,115,116,93,32,73,110,118,97,108,105,100,32,112,97,114,97,109,101,116,101,114,58,32,39,111,117,116,112,117,116,95,102,111,114,109,97,116,39,46,32,77,117,115,116,32,98,101,32,111,110,101,32,111,102,58,32,106,115,111,110,45,103,114,97,112,104,45,115,112,101,99,34,44,32,34,101,114,114,111,114,84,121,112,101,34,58,32,34,66,97,100,82,101,113,117,101,115,116,34,44,32,34,114,101,113,117,101,115,116,73,100,34,58,32,34,56,56,102,48,48,100,48,49,45,49,51,55,57,45,52,102,99,100,45,57,101,57,53,45,48,55,49,102,56,102,51,99,50,48,53,55,34,44,32,34,115,116,97,99,107,84,114,97,99,101,34,58,32,91,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,118,117,107,97,108,105,98,47,97,112,105,47,104,97,110,100,108,101,114,46,112,121,92,34,44,32,108,105,110,101,32,49,51,50,44,32,105,110,32,119,114,97,112,112,101,114,92,110,32,32,32,32,114,97,105,115,101,32,101,32,102,114,111,109,32,101,32,32,35,32,82,97,105,115,101,32,117,112,32,116,111,32,65,80,73,32,71,97,116,101,119,97,121,32,114,101,115,112,111,110,115,101,32,104,97,110,100,108,101,114,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,118,117,107,97,108,105,98,47,97,112,105,47,104,97,110,100,108,101,114,46,112,121,92,34,44,32,108,105,110,101,32,49,49,50,44,32,105,110,32,119,114,97,112,112,101,114,92,110,32,32,32,32,111,117,116,112,117,116,32,61,32,95,102,117,110,99,40,101,118,101,110,116,44,32,99,111,110,116,101,120,116,41,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,115,101,114,118,105,99,101,46,112,121,92,34,44,32,108,105,110,101,32,54,54,44,32,105,110,32,104,97,110,100,108,101,114,92,110,32,32,32,32,113,117,101,114,121,95,112,97,114,97,109,115,32,61,32,112,97,114,115,101,95,101,118,101,110,116,40,101,118,101,110,116,61,101,118,101,110,116,41,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,115,101,114,118,105,99,101,46,112,121,92,34,44,32,108,105,110,101,32,53,50,44,32,105,110,32,112,97,114,115,101,95,101,118,101,110,116,92,110,32,32,32,32,101,118,101,110,116,95,101,120,99,95,116,111,95,116,104,114,111,119,40,118,97,108,105,100,95,101,114,114,111,114,61,101,114,114,41,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,118,117,107,97,108,105,98,47,97,112,105,47,101,120,99,46,112,121,92,34,44,32,108,105,110,101,32,55,57,44,32,105,110,32,101,118,101,110,116,95,101,120,99,95,116,111,95,116,104,114,111,119,92,110,32,32,32,32,114,97,105,115,101,32,66,97,100,82,101,113,117,101,115,116,40,101,114,114,95,109,115,103,46,73,78,86,65,76,73,68,46,102,111,114,109,97,116,40,102,105,101,108,100,95,110,97,109,101,61,102,105,101,108,100,95,110,97,109,101,44,32,109,115,103,61,109,115,103,41,41,92,110,34,93,125 with payload \"{}\"",
  "trace": [
    "Error: Invocation error (running in series): 123,34,101,114,114,111,114,77,101,115,115,97,103,101,34,58,32,34,91,66,97,100,82,101,113,117,101,115,116,93,32,73,110,118,97,108,105,100,32,112,97,114,97,109,101,116,101,114,58,32,39,111,117,116,112,117,116,95,102,111,114,109,97,116,39,46,32,77,117,115,116,32,98,101,32,111,110,101,32,111,102,58,32,106,115,111,110,45,103,114,97,112,104,45,115,112,101,99,34,44,32,34,101,114,114,111,114,84,121,112,101,34,58,32,34,66,97,100,82,101,113,117,101,115,116,34,44,32,34,114,101,113,117,101,115,116,73,100,34,58,32,34,56,56,102,48,48,100,48,49,45,49,51,55,57,45,52,102,99,100,45,57,101,57,53,45,48,55,49,102,56,102,51,99,50,48,53,55,34,44,32,34,115,116,97,99,107,84,114,97,99,101,34,58,32,91,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,118,117,107,97,108,105,98,47,97,112,105,47,104,97,110,100,108,101,114,46,112,121,92,34,44,32,108,105,110,101,32,49,51,50,44,32,105,110,32,119,114,97,112,112,101,114,92,110,32,32,32,32,114,97,105,115,101,32,101,32,102,114,111,109,32,101,32,32,35,32,82,97,105,115,101,32,117,112,32,116,111,32,65,80,73,32,71,97,116,101,119,97,121,32,114,101,115,112,111,110,115,101,32,104,97,110,100,108,101,114,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,118,117,107,97,108,105,98,47,97,112,105,47,104,97,110,100,108,101,114,46,112,121,92,34,44,32,108,105,110,101,32,49,49,50,44,32,105,110,32,119,114,97,112,112,101,114,92,110,32,32,32,32,111,117,116,112,117,116,32,61,32,95,102,117,110,99,40,101,118,101,110,116,44,32,99,111,110,116,101,120,116,41,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,115,101,114,118,105,99,101,46,112,121,92,34,44,32,108,105,110,101,32,54,54,44,32,105,110,32,104,97,110,100,108,101,114,92,110,32,32,32,32,113,117,101,114,121,95,112,97,114,97,109,115,32,61,32,112,97,114,115,101,95,101,118,101,110,116,40,101,118,101,110,116,61,101,118,101,110,116,41,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,115,101,114,118,105,99,101,46,112,121,92,34,44,32,108,105,110,101,32,53,50,44,32,105,110,32,112,97,114,115,101,95,101,118,101,110,116,92,110,32,32,32,32,101,118,101,110,116,95,101,120,99,95,116,111,95,116,104,114,111,119,40,118,97,108,105,100,95,101,114,114,111,114,61,101,114,114,41,92,110,34,44,32,34,32,32,70,105,108,101,32,92,34,47,118,97,114,47,116,97,115,107,47,118,117,107,97,108,105,98,47,97,112,105,47,101,120,99,46,112,121,92,34,44,32,108,105,110,101,32,55,57,44,32,105,110,32,101,118,101,110,116,95,101,120,99,95,116,111,95,116,104,114,111,119,92,110,32,32,32,32,114,97,105,115,101,32,66,97,100,82,101,113,117,101,115,116,40,101,114,114,95,109,115,103,46,73,78,86,65,76,73,68,46,102,111,114,109,97,116,40,102,105,101,108,100,95,110,97,109,101,61,102,105,101,108,100,95,110,97,109,101,44,32,109,115,103,61,109,115,103,41,41,92,110,34,93,125 with payload \"{}\"",
    "    at runInSeries (/var/task/executor.js:167:19)",
    "    at process.processTicksAndRejections (node:internal/process/task_queues:95:5)",
    "    at async module.exports.handler (/var/task/executor.js:65:19)"
  ]
}