Need to resolve this issue in this code

[rhdmchirag]

when I plan this project I faced this error can you please resolve this and guide me?

terraform plan

Error: Invalid function argument
│
│ on .terraform/modules/vpc/outputs.tf line 353, in output "vpc_endpoint_sqs_id":
│ 353: value = "${element(concat(aws_vpc_endpoint.sqs.*.id, tolist("")), 0)}"
│
│ Invalid value for "v" parameter: cannot convert string to list of any single type.

[demola-gigxpad]

i also faced this issue running terraform plan

Error: Conflicting configuration arguments
│
│ with module.gigxpad-node-sg.aws_security_group_rule.ingress_with_self[0],
│ on .terraform/modules/gigxpad-node-sg/main.tf line 369, in resource "aws_security_group_rule" "ingress_with_self":
│ 369: self = lookup(var.ingress_with_self[count.index], "self", true)
│
│ "self": conflicts with ipv6_cidr_blocks
╵
╷
│ Error: Conflicting configuration arguments
│
│ with module.gigxpad-node-sg.aws_security_group_rule.ingress_with_self[0],
│ on .terraform/modules/gigxpad-node-sg/main.tf line 370, in resource "aws_security_group_rule" "ingress_with_self":
│ 370: ipv6_cidr_blocks = var.ingress_ipv6_cidr_blocks
│
│ "ipv6_cidr_blocks": conflicts with self