configure opentelementry in my ruby application but its throws error, can u please help on this issue
App 1175968 output: E, [2022-04-07T092942.264464 #1175968] ERROR -- : OpenTelemetry error: Unable to export 59 spans
App 1176031 output: E, [2022-04-07T092943.588552 #1176031] ERROR -- : OpenTelemetry error: unexpected error in OTLP::Exporter#send_bytes - undefined method `include?' for nil:NilClass
App 1176031 output: E, [2022-04-07T092943.588731 #1176031] ERROR -- : OpenTelemetry error: Unable to export 5 spans
App 1175968 output: E, [2022-04-07T092957.274309 #1175968] ERROR -- : OpenTelemetry error: unexpected error in OTLP::Exporter#send_bytes - undefined method `include?' for nil:NilClass
App 1175968 output: E, [2022-04-07T092957.274468 #1175968] ERROR -- : OpenTelemetry error: Unable to export 71 spans
App 1176031 output: E, [2022-04-07T092958.597884 #1176031] ERROR -- : OpenTelemetry error: unexpected error in OTLP::Exporter#send_bytes - undefined method `include?' for nil:NilClass
App 1176031 output: E, [2022-04-07T092958.597981 #1176031] ERROR -- : OpenTelemetry error: Unable to export 3 spans
App 1176073 output: E, [2022-04-07T093000.816435 #1176073] ERROR -- : OpenTelemetry error: unexpected error in OTLP::Exporter#send_bytes - undefined method `include?' for nil:NilClass
App 1176073 output: E, [2022-04-07T093000.816531 #1176073] ERROR -- : OpenTelemetry error: Unable to export 3 spans