Did you recently upgrade to newer version of dfx v0.11.0? Not sure it is related but there is a breaking change regarding assets that was announced in this thread Dfx 0.11.0 is promoted with breaking changes
Did you recently upgrade to newer version of dfx v0.11.0? Not sure it is related but there is a breaking change regarding assets that was announced in this thread Dfx 0.11.0 is promoted with breaking changes