Constant Contact Forms has experienced issues that need addressed

This is my debug log:
[2019-10-19 02:49:19] API.INFO: Contact set to be created [“Extra information”,[{“form”:”Subscribe”}]] []
[2019-10-19 02:49:19] API.INFO: Submitted contact data [“Extra information”,[{“email___ecd412e904309dcce66177488240b016”:{“key”:”email”,”val”:”melodyasmith08@gmail.com”},”email”:”melodyasmith08@gmail.com”,”first_name___7e7a6eef7e0a3734f39d6757b27d474b”:{“key”:”first_name”,”val”:”Melody”},”list”:”1119510518″}]] []
[2019-10-19 13:42:39] API.INFO: Contact set to be created [“Extra information”,[{“form”:”Subscribe”}]] []
[2019-10-19 13:42:39] API.INFO: http.status.bad_request: Bad request. [“Extra information”,[“[object] (stdClass: {\”error_key\”:\”http.status.bad_request\”,\”error_message\”:\”Bad request.\”})”]] []
[2019-10-19 13:42:39] API.INFO: Submitted contact data [“Extra information”,[{“email___ecd412e904309dcce66177488240b016”:{“key”:”email”,”val”:”cindy@banjoandlayla.com”},”email”:”cindy@banjoandlayla.com”,”first_name___7e7a6eef7e0a3734f39d6757b27d474b”:{“key”:”first_name”,”val”:”Cindy”},”list”:”1119510518″}]] []
[2019-10-19 13:42:40] API.INFO: Contact set to be created [“Extra information”,[{“form”:”Subscribe”}]] []
[2019-10-19 13:42:40] API.INFO: http.status.bad_request: Bad request. [“Extra information”,[“[object] (stdClass: {\”error_key\”:\”http.status.bad_request\”,\”error_message\”:\”Bad request.\”})”]] []
[2019-10-19 13:42:40] API.INFO: Submitted contact data [“Extra information”,[{“email___ecd412e904309dcce66177488240b016”:{“key”:”email”,”val”:”cindy@banjoandlayla.com”},”email”:”cindy@banjoandlayla.com”,”first_name___7e7a6eef7e0a3734f39d6757b27d474b”:{“key”:”first_name”,”val”:”Cindy”},”list”:”1119510518″}]] []
[2019-10-19 15:20:56] API.INFO: Contact set to be created [“Extra information”,[{“form”:”Subscribe”}]] []
[2019-10-19 15:20:57] API.INFO: Submitted contact data [“Extra information”,[{“email___ecd412e904309dcce66177488240b016”:{“key”:”email”,”val”:”cmckinlay@shaw.ca”},”email”:”cmckinlay@shaw.ca”,”first_name___7e7a6eef7e0a3734f39d6757b27d474b”:{“key”:”first_name”,”val”:”Colleen”},”list”:”1119510518″}]] []
[2019-10-19 15:21:32] API.INFO: Contact set to be updated [“Extra information”,[{“form”:”Subscribe”}]] []
[2019-10-19 15:21:32] API.INFO: Submitted contact data [“Extra information”,[{“email___ecd412e904309dcce66177488240b016”:{“key”:”email”,”val”:”cmckinlay@shaw.ca”},”email”:”cmckinlay@shaw.ca”,”first_name___7e7a6eef7e0a3734f39d6757b27d474b”:{“key”:”first_name”,”val”:”Colleen”},”list”:”1119510518″}]] []
[2019-10-20 03:52:37] API.INFO: Contact set to be created [“Extra information”,[{“form”:”Subscribe”}]] []
[2019-10-20 03:52:38] API.INFO: http.status.bad_request: Bad request. [“Extra information”,[“[object] (stdClass: {\”error_key\”:\”http.status.bad_request\”,\”error_message\”:\”Bad request.\”})”]] []
[2019-10-20 03:52:38] API.INFO: Submitted contact data [“Extra information”,[{“email___ecd412e904309dcce66177488240b016”:{“key”:”email”,”val”:”admin@allisongygitravels.com”},”email”:”admin@allisongygitravels.com”,”first_name___7e7a6eef7e0a3734f39d6757b27d474b”:{“key”:”first_name”,”val”:”Allison”},”list”:”1119510518″}]] []
[2019-11-11 22:35:06] API.INFO: Contact set to be created [“Extra information”,[{“form”:”Subscribe”}]] []
[2019-11-11 22:35:06] API.INFO: Submitted contact data [“Extra information”,[{“email___ecd412e904309dcce66177488240b016”:{“key”:”email”,”val”:”s.ms@gmail.com”},”email”:”s.ms@gmail.com”,”first_name___7e7a6eef7e0a3734f39d6757b27d474b”:{“key”:”first_name”,”val”:”CCTest”},”list”:”1119510518″}]] []